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64710347346 = 2323595019297
BaseRepresentation
bin111100010001000010…
…011000101001010010
320012000202221020120100
4330101002120221102
52030011322103341
645421051153230
74450403606541
oct742102305122
9205022836510
1064710347346
1125497338807
121065b445816
1361435a1978
1431bc2b6158
151a3b0413b6
hexf11098a52

64710347346 has 12 divisors (see below), whose sum is σ = 140205752622. Its totient is φ = 21570115776.

The previous prime is 64710347281. The next prime is 64710347363. The reversal of 64710347346 is 64374301746.

It can be written as a sum of positive squares in only one way, i.e., 47519204121 + 17191143225 = 217989^2 + 131115^2 .

It is a super-3 number, since 3×647103473463 (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1797509631 + ... + 1797509666.

Almost surely, 264710347346 is an apocalyptic number.

64710347346 is an abundant number, since it is smaller than the sum of its proper divisors (75495405276).

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

64710347346 is a wasteful number, since it uses less digits than its factorization.

64710347346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595019305 (or 3595019302 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 64710347346 in words is "sixty-four billion, seven hundred ten million, three hundred forty-seven thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 18 3595019297 7190038594 10785057891 21570115782 32355173673 64710347346