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130372868 = 22103316439
BaseRepresentation
bin1111100010101…
…01010100000100
3100002022121221202
413301111110010
5231333412433
620534202032
73142102553
oct761252404
9302277852
10130372868
116765707a
12377b3318
1321019412
1413459d9a
15b6a3ee8
hex7c55504

130372868 has 12 divisors (see below), whose sum is σ = 230368320. Its totient is φ = 64553352.

The previous prime is 130372859. The next prime is 130372871. The reversal of 130372868 is 868273031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157808 + ... + 158631.

It is an arithmetic number, because the mean of its divisors is an integer number (19197360).

Almost surely, 2130372868 is an apocalyptic number.

It is an amenable number.

130372868 is a deficient number, since it is larger than the sum of its proper divisors (99995452).

130372868 is a wasteful number, since it uses less digits than its factorization.

130372868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316546 (or 316544 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 130372868 is about 11418.0938864593. The cubic root of 130372868 is about 507.0635661604.

The spelling of 130372868 in words is "one hundred thirty million, three hundred seventy-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 103 206 412 316439 632878 1265756 32593217 65186434 130372868