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130372086 = 23131671437
BaseRepresentation
bin1111100010101…
…01000111110110
3100002022120212210
413301111013312
5231333401321
620534154250
73142100355
oct761250766
9302276783
10130372086
1167656529
12377b2986
1321018c60
141345999c
15b6a3b76
hex7c551f6

130372086 has 16 divisors (see below), whose sum is σ = 280801584. Its totient is φ = 40114464.

The previous prime is 130372069. The next prime is 130372093. The reversal of 130372086 is 680273031.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835641 + ... + 835796.

It is an arithmetic number, because the mean of its divisors is an integer number (17550099).

Almost surely, 2130372086 is an apocalyptic number.

130372086 is an abundant number, since it is smaller than the sum of its proper divisors (150429498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130372086 is a wasteful number, since it uses less digits than its factorization.

130372086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671455.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 130372086 is about 11418.0596425137. The cubic root of 130372086 is about 507.0625523388.

The spelling of 130372086 in words is "one hundred thirty million, three hundred seventy-two thousand, eighty-six".

Divisors: 1 2 3 6 13 26 39 78 1671437 3342874 5014311 10028622 21728681 43457362 65186043 130372086