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713390616978 = 231378839116009
BaseRepresentation
bin10100110000110010110…
…01001111000110010010
32112012101102022012221220
422120121121033012102
543142010444220403
61303421020425510
7102353325123114
oct12303131170622
92465342265856
10713390616978
112556024503a6
12b63150a8296
1352370746440
14267578b13b4
1513854967953
hexa61964f192

713390616978 has 32 divisors (see below), whose sum is σ = 1536566371200. Its totient is φ = 219500128896.

The previous prime is 713390616973. The next prime is 713390617063. The reversal of 713390616978 is 879616093317.

It is not an unprimeable number, because it can be changed into a prime (713390616973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6091438 + ... + 6207446.

It is an arithmetic number, because the mean of its divisors is an integer number (48017699100).

Almost surely, 2713390616978 is an apocalyptic number.

713390616978 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

713390616978 is an abundant number, since it is smaller than the sum of its proper divisors (823175754222).

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

713390616978 is a wasteful number, since it uses less digits than its factorization.

713390616978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194866.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 713390616978 in words is "seven hundred thirteen billion, three hundred ninety million, six hundred sixteen thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 13 26 39 78 78839 116009 157678 232018 236517 348027 473034 696054 1024907 1508117 2049814 3016234 3074721 4524351 6149442 9048702 9146033551 18292067102 27438100653 54876201306 118898436163 237796872326 356695308489 713390616978