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137512808 = 2333195179
BaseRepresentation
bin10000011001001…
…00011101101000
3100120202101002222
420030210131220
5240200402213
621351213212
73256560656
oct1014443550
9316671088
10137512808
1170693454
123a077208
1322649234
1414397dd6
15c114808
hex8324768

137512808 has 16 divisors (see below), whose sum is σ = 257964000. Its totient is φ = 68722416.

The previous prime is 137512789. The next prime is 137512819. The reversal of 137512808 is 808215731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23963 + ... + 29141.

It is an arithmetic number, because the mean of its divisors is an integer number (16122750).

Almost surely, 2137512808 is an apocalyptic number.

It is an amenable number.

137512808 is a deficient number, since it is larger than the sum of its proper divisors (120451192).

137512808 is a wasteful number, since it uses less digits than its factorization.

137512808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504 (or 8500 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 137512808 is about 11726.5855217962. The cubic root of 137512808 is about 516.1560832230.

The spelling of 137512808 in words is "one hundred thirty-seven million, five hundred twelve thousand, eight hundred eight".

Divisors: 1 2 4 8 3319 5179 6638 10358 13276 20716 26552 41432 17189101 34378202 68756404 137512808