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5520153031520 = 255195107355559
BaseRepresentation
bin101000001010100001011…
…0000101011001101100000
3201112201110221210220200112
41100111002300223031200
51210420233134002040
615423531233110452
71106550352402451
oct120250260531540
921481427726615
105520153031520
1118390a1526906
12751a140b8428
1331071850a65a
14151269329128
15988d274d365
hex50542c2b360

5520153031520 has 96 divisors (see below), whose sum is σ = 13730475628800. Its totient is φ = 2091431978496.

The previous prime is 5520153031493. The next prime is 5520153031531. The reversal of 5520153031520 is 251303510255.

It is a super-2 number, since 2×55201530315202 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15347501 + ... + 15703059.

It is an arithmetic number, because the mean of its divisors is an integer number (143025787800).

Almost surely, 25520153031520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5520153031520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6865237814400).

5520153031520 is an abundant number, since it is smaller than the sum of its proper divisors (8210322597280).

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

5520153031520 is a wasteful number, since it uses less digits than its factorization.

5520153031520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360700 (or 360692 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

Adding to 5520153031520 its reverse (251303510255), we get a palindrome (5771456541775).

The spelling of 5520153031520 in words is "five trillion, five hundred twenty billion, one hundred fifty-three million, thirty-one thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 5107 10214 20428 25535 40856 51070 81712 97033 102140 163424 194066 204280 355559 388132 408560 485165 711118 776264 817120 970330 1422236 1552528 1777795 1940660 2844472 3105056 3555590 3881320 5688944 6755621 7111180 7762640 11377888 13511242 14222360 15525280 27022484 28444720 33778105 54044968 56889440 67556210 108089936 135112420 216179872 270224840 540449680 1080899360 1815839813 3631679626 7263359252 9079199065 14526718504 18158398130 29053437008 34500956447 36316796260 58106874016 69001912894 72633592520 138003825788 145267185040 172504782235 276007651576 290534370080 345009564470 552015303152 690019128940 1104030606304 1380038257880 2760076515760 5520153031520