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130637607 = 343545869
BaseRepresentation
bin1111100100101…
…01111100100111
3100002211002002220
413302111330213
5231420400412
620544003423
73144254442
oct762257447
9302732086
10130637607
1167817a71
1237900573
13210aca79
14134c8659
15b70768c
hex7c95f27

130637607 has 4 divisors (see below), whose sum is σ = 174183480. Its totient is φ = 87091736.

The previous prime is 130637593. The next prime is 130637609. The reversal of 130637607 is 706736031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130637607 - 214 = 130621223 is a prime.

It is a super-3 number, since 3×1306376073 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130637609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21772932 + ... + 21772937.

It is an arithmetic number, because the mean of its divisors is an integer number (43545870).

Almost surely, 2130637607 is an apocalyptic number.

130637607 is a deficient number, since it is larger than the sum of its proper divisors (43545873).

130637607 is an equidigital number, since it uses as much as digits as its factorization.

130637607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43545872.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 130637607 is about 11429.6809666762. The cubic root of 130637607 is about 507.4065535276.

The spelling of 130637607 in words is "one hundred thirty million, six hundred thirty-seven thousand, six hundred seven".

Divisors: 1 3 43545869 130637607