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16139350579 = 1171910931867
BaseRepresentation
bin11110000011111101…
…01111001000110011
31112122210000221212011
433001332233020303
5231023133204304
611225254143351
71110643134142
oct170176571063
945583027764
1016139350579
116932273a70
123165051b57
1316a28c6ab1
14ad1687759
15646d6ec04
hex3c1faf233

16139350579 has 16 divisors (see below), whose sum is σ = 17656634880. Its totient is φ = 14630484960.

The previous prime is 16139350573. The next prime is 16139350607. The reversal of 16139350579 is 97505393161.

It is a cyclic number.

It is not a de Polignac number, because 16139350579 - 25 = 16139350547 is a prime.

It is a super-2 number, since 2×161393505792 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16139350573) 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, 8643604 + ... + 8645470.

It is an arithmetic number, because the mean of its divisors is an integer number (1103539680).

Almost surely, 216139350579 is an apocalyptic number.

16139350579 is a deficient number, since it is larger than the sum of its proper divisors (1517284301).

16139350579 is a wasteful number, since it uses less digits than its factorization.

16139350579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690.

The product of its (nonzero) digits is 765450, while the sum is 49.

The spelling of 16139350579 in words is "sixteen billion, one hundred thirty-nine million, three hundred fifty thousand, five hundred seventy-nine".

Divisors: 1 11 719 1093 1867 7909 12023 20537 785867 1342373 2040631 8644537 14766103 22446941 1467213689 16139350579