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130556402 = 281180491
BaseRepresentation
bin1111100100000…
…10000111110010
3100002122221201022
413302002013302
5231410301102
620542135442
73143465624
oct762020762
9302587638
10130556402
1167771a59
1237881582
1321081b12
14134a6c14
15b6dd5a2
hex7c821f2

130556402 has 8 divisors (see below), whose sum is σ = 196078512. Its totient is φ = 65196900.

The previous prime is 130556383. The next prime is 130556411. The reversal of 130556402 is 204655031.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38624 + ... + 41867.

It is an arithmetic number, because the mean of its divisors is an integer number (24509814).

Almost surely, 2130556402 is an apocalyptic number.

130556402 is a deficient number, since it is larger than the sum of its proper divisors (65522110).

130556402 is an equidigital number, since it uses as much as digits as its factorization.

130556402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81304.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 130556402 is about 11426.1280405919. The cubic root of 130556402 is about 507.3013962389.

The spelling of 130556402 in words is "one hundred thirty million, five hundred fifty-six thousand, four hundred two".

Divisors: 1 2 811 1622 80491 160982 65278201 130556402