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130395768 = 2335433157
BaseRepresentation
bin1111100010110…
…10111001111000
3100002100210100220
413301122321320
5231340131033
620534500040
73142226406
oct761327170
9302323326
10130395768
11676722a8
1237804620
1321026979
1413464476
15b6aabb3
hex7c5ae78

130395768 has 16 divisors (see below), whose sum is σ = 325989480. Its totient is φ = 43465248.

The previous prime is 130395767. The next prime is 130395787. The reversal of 130395768 is 867593031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130395767) 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, 2716555 + ... + 2716602.

Almost surely, 2130395768 is an apocalyptic number.

It is an amenable number.

130395768 is an abundant number, since it is smaller than the sum of its proper divisors (195593712).

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

130395768 is a wasteful number, since it uses less digits than its factorization.

130395768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433166 (or 5433162 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 130395768 is about 11419.0966367747. The cubic root of 130395768 is about 507.0932530016.

The spelling of 130395768 in words is "one hundred thirty million, three hundred ninety-five thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 5433157 10866314 16299471 21732628 32598942 43465256 65197884 130395768