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139699680368 = 24431195916979
BaseRepresentation
bin1000001000011010111…
…1111111010001110000
3111100120220121001122212
42002012233333101300
54242101104232433
6144102132551252
713043613455603
oct2020657772160
9440526531585
10139699680368
11542789115a6
12230a9182528
13102345b1881
146a937b433a
15397969cd48
hex2086bff470

139699680368 has 40 divisors (see below), whose sum is σ = 277002211200. Its totient is φ = 68215702464.

The previous prime is 139699680361. The next prime is 139699680371. The reversal of 139699680368 is 863086996931.

139699680368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 139699680298 and 139699680307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139699680361) by changing a digit.

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, 8219303 + ... + 8236281.

It is an arithmetic number, because the mean of its divisors is an integer number (6925055280).

Almost surely, 2139699680368 is an apocalyptic number.

It is an amenable number.

139699680368 is a deficient number, since it is larger than the sum of its proper divisors (137302530832).

139699680368 is a wasteful number, since it uses less digits than its factorization.

139699680368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28989 (or 28983 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 68.

The spelling of 139699680368 in words is "one hundred thirty-nine billion, six hundred ninety-nine million, six hundred eighty thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 43 86 172 344 688 11959 16979 23918 33958 47836 67916 95672 135832 191344 271664 514237 730097 1028474 1460194 2056948 2920388 4113896 5840776 8227792 11681552 203051861 406103722 812207444 1624414888 3248829776 8731230023 17462460046 34924920092 69849840184 139699680368