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64380096655 = 5767223123113
BaseRepresentation
bin111011111101010110…
…100101000010001111
320011011202111202210021
4323331112211002033
52023322301043110
645324212523011
74436253535540
oct737526450217
9204152452707
1064380096655
1125337982556
1210588920467
1360c0041a64
14318a4aa4c7
151a1c0592da
hexefd5a508f

64380096655 has 32 divisors (see below), whose sum is σ = 90013077504. Its totient is φ = 43292088576.

The previous prime is 64380096647. The next prime is 64380096719. The reversal of 64380096655 is 55669008346.

It is a cyclic number.

It is not a de Polignac number, because 64380096655 - 23 = 64380096647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461379 + ... + 584491.

It is an arithmetic number, because the mean of its divisors is an integer number (2812908672).

Almost surely, 264380096655 is an apocalyptic number.

64380096655 is a deficient number, since it is larger than the sum of its proper divisors (25632980849).

64380096655 is a wasteful number, since it uses less digits than its factorization.

64380096655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123415.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 64380096655 in words is "sixty-four billion, three hundred eighty million, ninety-six thousand, six hundred fifty-five".