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15055420512 = 2531147303341
BaseRepresentation
bin11100000010101111…
…10111110001100000
31102212020102121100010
432001113313301200
5221313141424022
610525533524520
71042041651156
oct160127676140
942766377303
1015055420512
1164264352a0
122b02043740
13155c181762
14a2b72d3d6
155d1b1050c
hex3815f7c60

15055420512 has 96 divisors (see below), whose sum is σ = 44030697984. Its totient is φ = 4465164800.

The previous prime is 15055420511. The next prime is 15055420517. The reversal of 15055420512 is 21502455051.

15055420512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 15055420512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15055420511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102039 + ... + 201302.

It is an arithmetic number, because the mean of its divisors is an integer number (458653104).

Almost surely, 215055420512 is an apocalyptic number.

15055420512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15055420512 is an abundant number, since it is smaller than the sum of its proper divisors (28975277472).

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

15055420512 is a wasteful number, since it uses less digits than its factorization.

15055420512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303412 (or 303404 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 15055420512 its reverse (21502455051), we get a palindrome (36557875563).

The spelling of 15055420512 in words is "fifteen billion, fifty-five million, four hundred twenty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 47 48 66 88 94 96 132 141 176 188 264 282 352 376 517 528 564 752 1034 1056 1128 1504 1551 2068 2256 3102 4136 4512 6204 8272 12408 16544 24816 49632 303341 606682 910023 1213364 1820046 2426728 3336751 3640092 4853456 6673502 7280184 9706912 10010253 13347004 14257027 14560368 20020506 26694008 28514054 29120736 40041012 42771081 53388016 57028108 80082024 85542162 106776032 114056216 156827297 160164048 171084324 228112432 313654594 320328096 342168648 456224864 470481891 627309188 684337296 940963782 1254618376 1368674592 1881927564 2509236752 3763855128 5018473504 7527710256 15055420512