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130351208 = 23131253377
BaseRepresentation
bin1111100010100…
…00000001101000
3100002021112020112
413301100001220
5231332214313
620533513452
73141652451
oct761200150
9302245215
10130351208
1167641879
12377a2888
132100c5c0
1413452128
15b69c8a8
hex7c50068

130351208 has 16 divisors (see below), whose sum is σ = 263209380. Its totient is φ = 60162048.

The previous prime is 130351181. The next prime is 130351211. The reversal of 130351208 is 802153031.

It can be written as a sum of positive squares in 2 ways, for example, as 128550244 + 1800964 = 11338^2 + 1342^2 .

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, 626585 + ... + 626792.

Almost surely, 2130351208 is an apocalyptic number.

It is an amenable number.

130351208 is an abundant number, since it is smaller than the sum of its proper divisors (132858172).

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

130351208 is a wasteful number, since it uses less digits than its factorization.

130351208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253396 (or 1253392 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 130351208 is about 11417.1453524951. The cubic root of 130351208 is about 507.0354836171.

The spelling of 130351208 in words is "one hundred thirty million, three hundred fifty-one thousand, two hundred eight".

Divisors: 1 2 4 8 13 26 52 104 1253377 2506754 5013508 10027016 16293901 32587802 65175604 130351208