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137051123818 = 2712497837763
BaseRepresentation
bin111111110100011100…
…0100011000001101010
3111002202022212110002211
41333220320203001222
54221140041430233
6142543241115334
712621153221440
oct1775070430152
9432668773084
10137051123818
1153139871894
122268a188b4a
13cc0196a54b
1468c1b32b90
153871dca5cd
hex1fe8e2306a

137051123818 has 16 divisors (see below), whose sum is σ = 235132920000. Its totient is φ = 58689161856.

The previous prime is 137051123773. The next prime is 137051123831. The reversal of 137051123818 is 818321150731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3901396 + ... + 3936367.

It is an arithmetic number, because the mean of its divisors is an integer number (14695807500).

Almost surely, 2137051123818 is an apocalyptic number.

137051123818 is a deficient number, since it is larger than the sum of its proper divisors (98081796182).

137051123818 is a wasteful number, since it uses less digits than its factorization.

137051123818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839021.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 137051123818 in words is "one hundred thirty-seven billion, fifty-one million, one hundred twenty-three thousand, eight hundred eighteen".

Divisors: 1 2 7 14 1249 2498 8743 17486 7837763 15675526 54864341 109728682 9789365987 19578731974 68525561909 137051123818