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64255253152 = 252007976661
BaseRepresentation
bin111011110101111010…
…010101101010100000
320010212001121001200211
4323311322111222200
52023043321100102
645303553023504
74433206432366
oct736572255240
9203761531624
1064255253152
1125283462802
1210552b54b94
1360a021036c
143177a8d636
151a110e87d7
hexef5e95aa0

64255253152 has 12 divisors (see below), whose sum is σ = 126502529706. Its totient is φ = 32127626560.

The previous prime is 64255253147. The next prime is 64255253207. The reversal of 64255253152 is 25135255246.

It can be written as a sum of positive squares in only one way, i.e., 55584663696 + 8670589456 = 235764^2 + 93116^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003988299 + ... + 1003988362.

Almost surely, 264255253152 is an apocalyptic number.

It is an amenable number.

64255253152 is a deficient number, since it is larger than the sum of its proper divisors (62247276554).

64255253152 is a wasteful number, since it uses less digits than its factorization.

64255253152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007976671 (or 2007976663 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

The spelling of 64255253152 in words is "sixty-four billion, two hundred fifty-five million, two hundred fifty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 2007976661 4015953322 8031906644 16063813288 32127626576 64255253152