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64160085862160 = 2453927612041957
BaseRepresentation
bin11101001011010011011110…
…01000000110011100010000
322102011122101200212121122022
432211221233020012130100
531402144323440042120
6344242423032031012
716341261511345001
oct1645515710063420
9272148350777568
1064160085862160
11194971599013a2
1272427a2b32468
1329a5368647242
1411bb516b3b1a8
15763e3ed0b025
hex3a5a6f206710

64160085862160 has 40 divisors (see below), whose sum is σ = 149172652487256. Its totient is φ = 25663956433920.

The previous prime is 64160085862129. The next prime is 64160085862177. The reversal of 64160085862160 is 6126858006146.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 525897635344 + 63634188226816 = 725188^2 + 7977104^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 30399902 + ... + 32441858.

Almost surely, 264160085862160 is an apocalyptic number.

It is an amenable number.

64160085862160 is an abundant number, since it is smaller than the sum of its proper divisors (85012566625096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64160085862160 is a wasteful number, since it uses less digits than its factorization.

64160085862160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434731 (or 2434725 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 64160085862160 in words is "sixty-four trillion, one hundred sixty billion, eighty-five million, eight hundred sixty-two thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 392761 785522 1571044 1963805 2041957 3142088 3927610 4083914 6284176 7855220 8167828 10209785 15710440 16335656 20419570 31420880 32671312 40839140 81678280 163356560 802001073277 1604002146554 3208004293108 4010005366385 6416008586216 8020010732770 12832017172432 16040021465540 32080042931080 64160085862160