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64156884813161 = 734726412879709
BaseRepresentation
bin11101001011001101100000…
…10101000100010101101001
322102011100010121112110220222
432211212300111010111221
531402121300003010121
6344241133242255425
716341116262025430
oct1645466025042551
9272140117473828
1064156884813161
1119495866a01958
12724204aab7575
1329a4c783cc0ca
1411bb2d195c117
15763d03ca20ab
hex3a59b0544569

64156884813161 has 8 divisors (see below), whose sum is σ = 73533457112640. Its totient is φ = 54833138273808.

The previous prime is 64156884813113. The next prime is 64156884813187. The reversal of 64156884813161 is 16131848865146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64156884813161 - 214 = 64156884796777 is a prime.

It is a super-2 number, since 2×641568848131612 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64156884813094 and 64156884813103.

It is not an unprimeable number, because it can be changed into a prime (64156884813061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13206437426 + ... + 13206442283.

It is an arithmetic number, because the mean of its divisors is an integer number (9191682139080).

Almost surely, 264156884813161 is an apocalyptic number.

It is an amenable number.

64156884813161 is a deficient number, since it is larger than the sum of its proper divisors (9376572299479).

64156884813161 is a wasteful number, since it uses less digits than its factorization.

64156884813161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26412880063.

The product of its digits is 26542080, while the sum is 62.

The spelling of 64156884813161 in words is "sixty-four trillion, one hundred fifty-six billion, eight hundred eighty-four million, eight hundred thirteen thousand, one hundred sixty-one".

Divisors: 1 7 347 2429 26412879709 184890157963 9165269259023 64156884813161