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12534110072 = 2311157907217
BaseRepresentation
bin10111010110001011…
…10101011101111000
31012100112010202121222
423223011311131320
5201132213010242
65431425251212
7622415114651
oct135305653570
935315122558
1012534110072
1153521a6460
122519793b08
131249a005a3
1486c932528
154d55c55d2
hex2eb175778

12534110072 has 32 divisors (see below), whose sum is σ = 25801279920. Its totient is φ = 5661027840.

The previous prime is 12534110063. The next prime is 12534110111. The reversal of 12534110072 is 27001143521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439793 + ... + 467424.

Almost surely, 212534110072 is an apocalyptic number.

It is an amenable number.

12534110072 is an abundant number, since it is smaller than the sum of its proper divisors (13267169848).

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

12534110072 is a wasteful number, since it uses less digits than its factorization.

12534110072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907391 (or 907387 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 12534110072 its reverse (27001143521), we get a palindrome (39535253593).

The spelling of 12534110072 in words is "twelve billion, five hundred thirty-four million, one hundred ten thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 88 157 314 628 1256 1727 3454 6908 13816 907217 1814434 3628868 7257736 9979387 19958774 39917548 79835096 142433069 284866138 569732276 1139464552 1566763759 3133527518 6267055036 12534110072