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130908868 = 2232727217
BaseRepresentation
bin1111100110110…
…00001011000100
3100010022212012121
413303120023010
5232003040433
620553455324
73146464336
oct763301304
9303285177
10130908868
1167992852
1237a11544
132117638c
1413559456
15b75cc2d
hex7cd82c4

130908868 has 6 divisors (see below), whose sum is σ = 229090526. Its totient is φ = 65454432.

The previous prime is 130908809. The next prime is 130908881. The reversal of 130908868 is 868809031.

It is a happy number.

130908868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 109453444 + 21455424 = 10462^2 + 4632^2 .

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 as a sum of consecutive naturals, namely, 16363605 + ... + 16363612.

Almost surely, 2130908868 is an apocalyptic number.

It is an amenable number.

130908868 is a deficient number, since it is larger than the sum of its proper divisors (98181658).

130908868 is a wasteful number, since it uses less digits than its factorization.

130908868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32727221 (or 32727219 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 130908868 is about 11441.5413297335. The cubic root of 130908868 is about 507.7575102832.

The spelling of 130908868 in words is "one hundred thirty million, nine hundred eight thousand, eight hundred sixty-eight".

Divisors: 1 2 4 32727217 65454434 130908868