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450505544015200 = 255212131410732909
BaseRepresentation
bin110011001101110110111111…
…0111010111001110101100000
32012002002220112221200020122111
41212123231332322321311200
5433022040323231441300
64234051220111045104
7163614644231524552
oct14633557672716540
92162086487606574
10450505544015200
111205aa367a39923
124263abab210794
131644b64b87375b
147d368284a94d2
153713a3a4879ba
hex199bb7eeb9d60

450505544015200 has 144 divisors (see below), whose sum is σ = 1100814808811760. Its totient is φ = 180035424184320.

The previous prime is 450505544015119. The next prime is 450505544015207. The reversal of 450505544015200 is 2510445505054.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450505544015207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13689416346 + ... + 13689449254.

It is an arithmetic number, because the mean of its divisors is an integer number (7644547283415).

Almost surely, 2450505544015200 is an apocalyptic number.

450505544015200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450505544015200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550407404405880).

450505544015200 is an abundant number, since it is smaller than the sum of its proper divisors (650309264796560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450505544015200 is a wasteful number, since it uses less digits than its factorization.

450505544015200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48249 (or 48236 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 450505544015200 in words is "four hundred fifty trillion, five hundred five billion, five hundred forty-four million, fifteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1213 2426 4852 6065 9704 12130 14107 19408 24260 28214 30325 32909 38816 48520 56428 60650 65818 70535 97040 112856 121300 131636 141070 164545 194080 225712 242600 263272 282140 329090 352675 451424 485200 526544 564280 658180 705350 822725 970400 1053088 1128560 1316360 1410700 1645450 2257120 2632720 2821400 3290900 5265440 5642800 6581800 11285600 13163600 17111791 26327200 34223582 39918617 68447164 79837234 85558955 136894328 159674468 171117910 199593085 273788656 319348936 342235820 399186170 427794775 464247263 547577312 638697872 684471640 798372340 855589550 928494526 997965425 1277395744 1368943280 1596744680 1711179100 1856989052 1995930850 2321236315 2737886560 3193489360 3422358200 3713978104 3991861700 4642472630 6386978720 6844716400 7427956208 7983723400 9284945260 11606181575 13689432800 14855912416 15967446800 18569890520 23212363150 31934893600 37139781040 46424726300 74279562080 92849452600 185698905200 371397810400 563131930019 1126263860038 2252527720076 2815659650095 4505055440152 5631319300190 9010110880304 11262638600380 14078298250475 18020221760608 22525277200760 28156596500950 45050554401520 56313193001900 90101108803040 112626386003800 225252772007600 450505544015200