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137816902 = 268908451
BaseRepresentation
bin10000011011011…
…10101101000110
3100121022211020201
420031232231012
5240240120102
621401521114
73262265356
oct1015565506
9317284221
10137816902
1170880973
123a1a319a
1322724782
1414436b66
15c174987
hex836eb46

137816902 has 4 divisors (see below), whose sum is σ = 206725356. Its totient is φ = 68908450.

The previous prime is 137816891. The next prime is 137816953. The reversal of 137816902 is 209618731.

137816902 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34454224 + ... + 34454227.

It is an arithmetic number, because the mean of its divisors is an integer number (51681339).

Almost surely, 2137816902 is an apocalyptic number.

137816902 is a deficient number, since it is larger than the sum of its proper divisors (68908454).

137816902 is an equidigital number, since it uses as much as digits as its factorization.

137816902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68908453.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 137816902 is about 11739.5443693527. The cubic root of 137816902 is about 516.5362766815.

The spelling of 137816902 in words is "one hundred thirty-seven million, eight hundred sixteen thousand, nine hundred two".

Divisors: 1 2 68908451 137816902