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252697107457 = 2311299731471
BaseRepresentation
bin1110101101010111101…
…0111101110000000001
3220011020220012010000001
43223111322331300001
513120010424414312
6312030520000001
724154032654544
oct3532572756001
9804226163001
10252697107457
1198193a24a83
1240b83900001
131aaa1aa1b72
14c332ad085b
15688e9cc057
hex3ad5ebdc01

252697107457 has 8 divisors (see below), whose sum is σ = 263917520640. Its totient is φ = 241496159520.

The previous prime is 252697107451. The next prime is 252697107463. The reversal of 252697107457 is 754701796252.

It is an interprime number because it is at equal distance from previous prime (252697107451) and next prime (252697107463).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252697107457 - 23 = 252697107449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252697107398 and 252697107407.

It is not an unprimeable number, because it can be changed into a prime (252697107451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4839769 + ... + 4891702.

It is an arithmetic number, because the mean of its divisors is an integer number (32989690080).

Almost surely, 2252697107457 is an apocalyptic number.

It is an amenable number.

252697107457 is a deficient number, since it is larger than the sum of its proper divisors (11220413183).

252697107457 is a wasteful number, since it uses less digits than its factorization.

252697107457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9732623.

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 252697107457 in words is "two hundred fifty-two billion, six hundred ninety-seven million, one hundred seven thousand, four hundred fifty-seven".

Divisors: 1 23 1129 25967 9731471 223823833 10986830759 252697107457