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15707620379 = 1114923940099
BaseRepresentation
bin11101010000011111…
…10100010000011011
31111112200122210100202
432220033310100123
5224132122323004
611114352452415
71064151366413
oct165017642033
944480583322
1015707620379
1167305a6750
12306454a10b
131634325b39
14a901c3643
1561dedeb1e
hex3a83f441b

15707620379 has 16 divisors (see below), whose sum is σ = 17323200000. Its totient is φ = 14124119520.

The previous prime is 15707620363. The next prime is 15707620387. The reversal of 15707620379 is 97302670751.

15707620379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15707620379 - 24 = 15707620363 is a prime.

It is a super-2 number, since 2×157076203792 (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 (15707620399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371672 + ... + 411770.

It is an arithmetic number, because the mean of its divisors is an integer number (1082700000).

Almost surely, 215707620379 is an apocalyptic number.

15707620379 is a deficient number, since it is larger than the sum of its proper divisors (1615579621).

15707620379 is a wasteful number, since it uses less digits than its factorization.

15707620379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40498.

The product of its (nonzero) digits is 555660, while the sum is 47.

The spelling of 15707620379 in words is "fifteen billion, seven hundred seven million, six hundred twenty thousand, three hundred seventy-nine".

Divisors: 1 11 149 239 1639 2629 35611 40099 391721 441089 5974751 9583661 65722261 105420271 1427965489 15707620379