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12057147524 = 22173723920051
BaseRepresentation
bin10110011101010100…
…10111100010000100
31011010021122120000102
423032222113202010
5144143112210044
65312230303232
7604534030412
oct131652274204
934107576012
1012057147524
115127a44434
122405ab7b18
1311a1c53326
148254562b2
154a87ad24e
hex2cea97884

12057147524 has 48 divisors (see below), whose sum is σ = 23042154240. Its totient is φ = 5497228800.

The previous prime is 12057147523. The next prime is 12057147527. The reversal of 12057147524 is 42574175021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12057147523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591299 + ... + 611349.

It is an arithmetic number, because the mean of its divisors is an integer number (480044880).

Almost surely, 212057147524 is an apocalyptic number.

It is an amenable number.

12057147524 is a deficient number, since it is larger than the sum of its proper divisors (10985006716).

12057147524 is a wasteful number, since it uses less digits than its factorization.

12057147524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348 (or 20346 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 12057147524 in words is "twelve billion, fifty-seven million, one hundred forty-seven thousand, five hundred twenty-four".

Divisors: 1 2 4 17 34 37 68 74 148 239 478 629 956 1258 2516 4063 8126 8843 16252 17686 20051 35372 40102 80204 150331 300662 340867 601324 681734 741887 1363468 1483774 2967548 4792189 9584378 12612079 19168756 25224158 50448316 81467213 162934426 177310993 325868852 354621986 709243972 3014286881 6028573762 12057147524