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130756766 = 2729443727
BaseRepresentation
bin1111100101100…
…11000010011110
3100010001010120012
413302303002132
5231433204031
620550323222
73145262030
oct762630236
9303033505
10130756766
1167899548
1237959512
132112208a
1413519c50
15b72cb2b
hex7cb309e

130756766 has 32 divisors (see below), whose sum is σ = 232727040. Its totient is φ = 53909856.

The previous prime is 130756757. The next prime is 130756781. The reversal of 130756766 is 667657031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179495 + ... + 180221.

It is an arithmetic number, because the mean of its divisors is an integer number (7272720).

Almost surely, 2130756766 is an apocalyptic number.

130756766 is a deficient number, since it is larger than the sum of its proper divisors (101970274).

130756766 is a wasteful number, since it uses less digits than its factorization.

130756766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 130756766 is about 11434.8924787249. The cubic root of 130756766 is about 507.5607808976.

The spelling of 130756766 in words is "one hundred thirty million, seven hundred fifty-six thousand, seven hundred sixty-six".

Divisors: 1 2 7 14 29 58 203 406 443 727 886 1454 3101 5089 6202 10178 12847 21083 25694 42166 89929 147581 179858 295162 322061 644122 2254427 4508854 9339769 18679538 65378383 130756766