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252645331122 = 2341722321012
BaseRepresentation
bin1110101101001011010…
…1011101000010110010
3220011010021202121020000
43223102311131002302
513114404201043442
6312021430130430
724152533611252
oct3532265350262
9804107677200
10252645331122
1198167780718
1240b6a4b0a16
131aa94144092
14c329c93962
15688a1a0d4c
hex3ad2d5d0b2

252645331122 has 270 divisors, whose sum is σ = 634941672519. Its totient is φ = 75064492800.

The previous prime is 252645331117. The next prime is 252645331123. The reversal of 252645331122 is 221133546252.

252645331122 is a `hidden beast` number, since 2 + 5 + 2 + 6 + 4 + 533 + 112 + 2 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 250319101761 + 2326229361 = 500319^2 + 48231^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=355419.

It is not an unprimeable number, because it can be changed into a prime (252645331123) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 2501438872 + ... + 2501438972.

Almost surely, 2252645331122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252645331122

252645331122 is an abundant number, since it is smaller than the sum of its proper divisors (382296341397).

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

252645331122 is a wasteful number, since it uses less digits than its factorization.

252645331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 146 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 252645331122 its reverse (221133546252), we get a palindrome (473778877374).

The spelling of 252645331122 in words is "two hundred fifty-two billion, six hundred forty-five million, three hundred thirty-one thousand, one hundred twenty-two".