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130680948 = 22310890079
BaseRepresentation
bin1111100101000…
…00100001110100
3100002220021120010
413302200201310
5231423242243
620544540220
73144525006
oct762404164
9302807503
10130680948
1167847592
1237921670
13210c6708
14134da376
15b715433
hex7ca0874

130680948 has 12 divisors (see below), whose sum is σ = 304922240. Its totient is φ = 43560312.

The previous prime is 130680947. The next prime is 130680959. The reversal of 130680948 is 849086031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130680947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5445028 + ... + 5445051.

Almost surely, 2130680948 is an apocalyptic number.

It is an amenable number.

130680948 is an abundant number, since it is smaller than the sum of its proper divisors (174241292).

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

130680948 is a wasteful number, since it uses less digits than its factorization.

130680948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10890086 (or 10890084 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 130680948 is about 11431.5767941260. The cubic root of 130680948 is about 507.4626605869.

The spelling of 130680948 in words is "one hundred thirty million, six hundred eighty thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 10890079 21780158 32670237 43560316 65340474 130680948