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70798139425 = 5213239471323
BaseRepresentation
bin100000111101111100…
…1011110000000100001
320202202001012010100001
41001323321132000201
52124443310430200
652305121500001
75054305153516
oct1017371360041
9222661163301
1070798139425
1128030782032
121187a1a1601
1368a38c86c0
1435d8a1930d
151c9571b76a
hex107be5e021

70798139425 has 24 divisors (see below), whose sum is σ = 98653310784. Its totient is φ = 50008580160.

The previous prime is 70798139413. The next prime is 70798139443. The reversal of 70798139425 is 52493189707.

It is a happy number.

It is not a de Polignac number, because 70798139425 - 29 = 70798138913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4728187 + ... + 4743136.

It is an arithmetic number, because the mean of its divisors is an integer number (4110554616).

Almost surely, 270798139425 is an apocalyptic number.

It is an amenable number.

70798139425 is a deficient number, since it is larger than the sum of its proper divisors (27855171359).

70798139425 is a wasteful number, since it uses less digits than its factorization.

70798139425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9471369 (or 9471364 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 70798139425 in words is "seventy billion, seven hundred ninety-eight million, one hundred thirty-nine thousand, four hundred twenty-five".

Divisors: 1 5 13 23 25 65 115 299 325 575 1495 7475 9471323 47356615 123127199 217840429 236783075 615635995 1089202145 2831925577 3078179975 5446010725 14159627885 70798139425