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139394352813 = 3209935716199
BaseRepresentation
bin1000000111010010001…
…1010000011010101101
3111022210122001210222220
42001310203100122231
54240434423242223
6144011544425553
713033215310032
oct2016443203255
9438718053886
10139394352813
1154131529481
1223022a782b9
13101b6269b91
146a65015389
15395c98a6e3
hex20748d06ad

139394352813 has 16 divisors (see below), whose sum is σ = 186029760000. Its totient is φ = 92844304560.

The previous prime is 139394352803. The next prime is 139394352829. The reversal of 139394352813 is 318253493931.

It is not a de Polignac number, because 139394352813 - 26 = 139394352749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139394352803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22483488 + ... + 22489686.

It is an arithmetic number, because the mean of its divisors is an integer number (11626860000).

Almost surely, 2139394352813 is an apocalyptic number.

It is an amenable number.

139394352813 is a deficient number, since it is larger than the sum of its proper divisors (46635407187).

139394352813 is a wasteful number, since it uses less digits than its factorization.

139394352813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11872.

The product of its digits is 2099520, while the sum is 51.

The spelling of 139394352813 in words is "one hundred thirty-nine billion, three hundred ninety-four million, three hundred fifty-two thousand, eight hundred thirteen".

Divisors: 1 3 2099 3571 6199 6297 10713 18597 7495529 13011701 22136629 22486587 39035103 66409887 46464784271 139394352813