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64442810706 = 2343732456087
BaseRepresentation
bin111100000001000101…
…110100000101010010
320011100010111222021220
4330001011310011102
52023434324420311
645334333025510
74440644565411
oct740105640522
9204303458256
1064442810706
112536a31754a
12105a5925296
13610002c171
143194953478
151a227e6206
hexf01174152

64442810706 has 16 divisors (see below), whose sum is σ = 128915146944. Its totient is φ = 21476015984.

The previous prime is 64442810687. The next prime is 64442810737. The reversal of 64442810706 is 60701824446.

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, 1201806 + ... + 1254281.

It is an arithmetic number, because the mean of its divisors is an integer number (8057196684).

Almost surely, 264442810706 is an apocalyptic number.

64442810706 is an abundant number, since it is smaller than the sum of its proper divisors (64472336238).

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

64442810706 is a wasteful number, since it uses less digits than its factorization.

64442810706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460465.

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 64442810706 in words is "sixty-four billion, four hundred forty-two million, eight hundred ten thousand, seven hundred six".

Divisors: 1 2 3 6 4373 8746 13119 26238 2456087 4912174 7368261 14736522 10740468451 21480936902 32221405353 64442810706