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137438917707 = 3713503439259
BaseRepresentation
bin111111111111111111…
…1110111010001001011
3111010202100120102022110
41333333333313101023
54222433330331312
6143045532553403
712633602345040
oct1777777672113
9433670512273
10137438917707
1153318760103
1222778022863
13cc640c70a0
14691b43b1c7
153895e7c43c
hex1fffff744b

137438917707 has 16 divisors (see below), whose sum is σ = 225540788480. Its totient is φ = 72495253152.

The previous prime is 137438917673. The next prime is 137438917709. The reversal of 137438917707 is 707719834731.

It is not a de Polignac number, because 137438917707 - 230 = 136365175883 is a prime.

It is a super-2 number, since 2×1374389177072 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137438917709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251719357 + ... + 251719902.

It is an arithmetic number, because the mean of its divisors is an integer number (14096299280).

Almost surely, 2137438917707 is an apocalyptic number.

137438917707 is a deficient number, since it is larger than the sum of its proper divisors (88101870773).

137438917707 is a wasteful number, since it uses less digits than its factorization.

137438917707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503439282.

The product of its (nonzero) digits is 6223392, while the sum is 57.

The spelling of 137438917707 in words is "one hundred thirty-seven billion, four hundred thirty-eight million, nine hundred seventeen thousand, seven hundred seven".

Divisors: 1 3 7 13 21 39 91 273 503439259 1510317777 3524074813 6544710367 10572224439 19634131101 45812972569 137438917707