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130755717 = 3253274121
BaseRepresentation
bin1111100101100…
…10110010000101
3100010001002010100
413302302302011
5231433140332
620550314313
73145256001
oct762626205
9303032110
10130755717
1167898784
1237958999
1321121761
1413519701
15b72c67c
hex7cb2c85

130755717 has 12 divisors (see below), whose sum is σ = 192433644. Its totient is φ = 85525440.

The previous prime is 130755679. The next prime is 130755727. The reversal of 130755717 is 717557031.

It is a happy number.

130755717 is a `hidden beast` number, since 13 + 0 + 75 + 571 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111386916 + 19368801 = 10554^2 + 4401^2 .

It is not a de Polignac number, because 130755717 - 220 = 129707141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130755727) 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, 136584 + ... + 137537.

It is an arithmetic number, because the mean of its divisors is an integer number (16036137).

Almost surely, 2130755717 is an apocalyptic number.

It is an amenable number.

130755717 is a deficient number, since it is larger than the sum of its proper divisors (61677927).

130755717 is a wasteful number, since it uses less digits than its factorization.

130755717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274180 (or 274177 counting only the distinct ones).

The product of its (nonzero) digits is 25725, while the sum is 36.

The square root of 130755717 is about 11434.8466102524. The cubic root of 130755717 is about 507.5594235869.

The spelling of 130755717 in words is "one hundred thirty million, seven hundred fifty-five thousand, seven hundred seventeen".

Divisors: 1 3 9 53 159 477 274121 822363 2467089 14528413 43585239 130755717