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139820674318 = 21310750259049
BaseRepresentation
bin1000001000110111110…
…1100010110100001110
3111100220100021012011021
42002031331202310032
54242323043034233
6144122134144354
713046613056623
oct2021575426416
9440810235137
10139820674318
11543301420a6
12231217b20ba
1310253696020
146aa58ac34a
1539850ece2d
hex208df62d0e

139820674318 has 16 divisors (see below), whose sum is σ = 227975050800. Its totient is φ = 63929509056.

The previous prime is 139820674307. The next prime is 139820674337. The reversal of 139820674318 is 813476028931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25126743 + ... + 25132306.

It is an arithmetic number, because the mean of its divisors is an integer number (14248440675).

Almost surely, 2139820674318 is an apocalyptic number.

139820674318 is a deficient number, since it is larger than the sum of its proper divisors (88154376482).

139820674318 is a wasteful number, since it uses less digits than its factorization.

139820674318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50259171.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 139820674318 in words is "one hundred thirty-nine billion, eight hundred twenty million, six hundred seventy-four thousand, three hundred eighteen".

Divisors: 1 2 13 26 107 214 1391 2782 50259049 100518098 653367637 1306735274 5377718243 10755436486 69910337159 139820674318