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223410066100 = 2252136116371721
BaseRepresentation
bin1101000000010001000…
…1110001001010110100
3210100122211110021000121
43100010101301022310
512130020434103400
6250344433021324
722066211141404
oct3200421611264
9710584407017
10223410066100
1186825181371
123736b6b4844
13180b53355b0
14ab55234804
155c2878521a
hex34044712b4

223410066100 has 144 divisors (see below), whose sum is σ = 531283714416. Its totient is φ = 81040896000.

The previous prime is 223410066071. The next prime is 223410066179. The reversal of 223410066100 is 1660014322.

It can be written as a sum of positive squares in 24 ways, for example, as 223140974884 + 269091216 = 472378^2 + 16404^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129813240 + ... + 129814960.

It is an arithmetic number, because the mean of its divisors is an integer number (3689470239).

Almost surely, 2223410066100 is an apocalyptic number.

223410066100 is a gapful number since it is divisible by the number (20) 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 223410066100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265641857208).

223410066100 is an abundant number, since it is smaller than the sum of its proper divisors (307873648316).

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

223410066100 is a wasteful number, since it uses less digits than its factorization.

223410066100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 223410066100 in words is "two hundred twenty-three billion, four hundred ten million, sixty-six thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 61 65 100 122 130 244 260 305 325 610 650 793 1220 1300 1525 1586 1637 1721 3050 3172 3274 3442 3965 6100 6548 6884 7930 8185 8605 15860 16370 17210 19825 21281 22373 32740 34420 39650 40925 42562 43025 44746 79300 81850 85124 86050 89492 99857 104981 106405 111865 163700 172100 199714 209962 212810 223730 399428 419924 425620 447460 499285 524905 532025 559325 998570 1049810 1064050 1118650 1298141 1364753 1997140 2099620 2128100 2237300 2496425 2596282 2624525 2729506 2817277 4992850 5192564 5249050 5459012 5634554 6490705 6823765 9985700 10498100 11269108 12981410 13647530 14086385 25962820 27295060 28172770 32453525 34118825 36624601 56345540 64907050 68237650 70431925 73249202 129814100 136475300 140863850 146498404 171853897 183123005 281727700 343707794 366246010 687415588 732492020 859269485 915615025 1718538970 1831230050 2234100661 3437077940 3662460100 4296347425 4468201322 8592694850 8936402644 11170503305 17185389700 22341006610 44682013220 55852516525 111705033050 223410066100