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131022564675 = 3521746967529
BaseRepresentation
bin111101000000110001…
…1011010110101000011
3110112012012001220122120
41322001203122311003
54121313234032200
6140105124135323
712315601265322
oct1720143326503
9415165056576
10131022564675
1150625905102
1221487237543
13c4809b25a2
1464ad20c0b9
15361ca009a0
hex1e818dad43

131022564675 has 12 divisors (see below), whose sum is σ = 216623973720. Its totient is φ = 69878701120.

The previous prime is 131022564661. The next prime is 131022564677. The reversal of 131022564675 is 576465220131.

It is not a de Polignac number, because 131022564675 - 25 = 131022564643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131022564677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873483690 + ... + 873483839.

It is an arithmetic number, because the mean of its divisors is an integer number (18051997810).

Almost surely, 2131022564675 is an apocalyptic number.

131022564675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131022564675 is a deficient number, since it is larger than the sum of its proper divisors (85601409045).

131022564675 is a wasteful number, since it uses less digits than its factorization.

131022564675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746967542 (or 1746967537 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 131022564675 in words is "one hundred thirty-one billion, twenty-two million, five hundred sixty-four thousand, six hundred seventy-five".

Divisors: 1 3 5 15 25 75 1746967529 5240902587 8734837645 26204512935 43674188225 131022564675