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52613139176 = 2313505895569
BaseRepresentation
bin110000111111111111…
…001100101011101000
312000210200220101200022
4300333333030223220
51330222430423201
640100430100012
73541542206213
oct607777145350
9160720811608
1052613139176
1120349822204
12a24404a608
134c66263320
1427917d277a
15157debd41b
hexc3ffccae8

52613139176 has 16 divisors (see below), whose sum is σ = 106238069700. Its totient is φ = 24282987264.

The previous prime is 52613139157. The next prime is 52613139179. The reversal of 52613139176 is 67193131625.

It can be written as a sum of positive squares in 2 ways, for example, as 50999188900 + 1613950276 = 225830^2 + 40174^2 .

It is a super-3 number, since 3×526131391763 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52613139179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252947681 + ... + 252947888.

Almost surely, 252613139176 is an apocalyptic number.

It is an amenable number.

52613139176 is an abundant number, since it is smaller than the sum of its proper divisors (53624930524).

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

52613139176 is a wasteful number, since it uses less digits than its factorization.

52613139176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505895588 (or 505895584 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The spelling of 52613139176 in words is "fifty-two billion, six hundred thirteen million, one hundred thirty-nine thousand, one hundred seventy-six".

Divisors: 1 2 4 8 13 26 52 104 505895569 1011791138 2023582276 4047164552 6576642397 13153284794 26306569588 52613139176