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15211045234 = 2711435938933
BaseRepresentation
bin11100010101010011…
…00010000101110010
31110021002021011022201
432022221202011302
5222123011421414
610553213253414
71045641515440
oct161251420562
943232234281
1015211045234
1164a6269470
122b4619426a
13158549c8a8
14a4427db90
155e0601574
hex38aa62172

15211045234 has 64 divisors (see below), whose sum is σ = 29602298880. Its totient is φ = 5690301120.

The previous prime is 15211045231. The next prime is 15211045319. The reversal of 15211045234 is 43254011251.

It is a super-2 number, since 2×152110452342 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15211045231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371232 + ... + 410164.

It is an arithmetic number, because the mean of its divisors is an integer number (462535920).

Almost surely, 215211045234 is an apocalyptic number.

15211045234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15211045234 is a deficient number, since it is larger than the sum of its proper divisors (14391253646).

15211045234 is a wasteful number, since it uses less digits than its factorization.

15211045234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39055.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15211045234 its reverse (43254011251), we get a palindrome (58465056485).

The spelling of 15211045234 in words is "fifteen billion, two hundred eleven million, forty-five thousand, two hundred thirty-four".

Divisors: 1 2 7 11 14 22 43 59 77 86 118 154 301 413 473 602 649 826 946 1298 2537 3311 4543 5074 6622 9086 17759 27907 35518 38933 55814 77866 195349 272531 390698 428263 545062 856526 1674119 2297047 2997841 3348238 4594094 5995682 11718833 16079329 18415309 23437666 25267517 32158658 36830618 50535034 98773021 128907163 176872619 197546042 257814326 353745238 691411147 1086503231 1382822294 2173006462 7605522617 15211045234