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64380096656 = 2415126647391
BaseRepresentation
bin111011111101010110…
…100101000010010000
320011011202111202210022
4323331112211002100
52023322301043111
645324212523012
74436253535541
oct737526450220
9204152452708
1064380096656
1125337982557
1210588920468
1360c0041a65
14318a4aa4c8
151a1c0592db
hexefd5a5090

64380096656 has 20 divisors (see below), whose sum is σ = 125562511104. Its totient is φ = 31976868000.

The previous prime is 64380096647. The next prime is 64380096719. The reversal of 64380096656 is 65669008346.

64380096656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64380096598 and 64380096607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13321280 + ... + 13326111.

Almost surely, 264380096656 is an apocalyptic number.

It is an amenable number.

64380096656 is a deficient number, since it is larger than the sum of its proper divisors (61182414448).

64380096656 is a wasteful number, since it uses less digits than its factorization.

64380096656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26647550 (or 26647544 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 64380096656 in words is "sixty-four billion, three hundred eighty million, ninety-six thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 151 302 604 1208 2416 26647391 53294782 106589564 213179128 426358256 4023756041 8047512082 16095024164 32190048328 64380096656