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80790678319 = 132953350147
BaseRepresentation
bin100101100111101111…
…1111110101100101111
321201112102220200202011
41023033133332230233
52310424403201234
6101040440342051
75560032302131
oct1131737765457
9251472820664
1080790678319
113129926043a
12137a8774927
137806ba2b00
143ca5b99051
15217cb03b64
hex12cf7feb2f

80790678319 has 12 divisors (see below), whose sum is σ = 87494318856. Its totient is φ = 74566700832.

The previous prime is 80790678277. The next prime is 80790678337. The reversal of 80790678319 is 91387609708.

It is not a de Polignac number, because 80790678319 - 211 = 80790676271 is a prime.

It is a super-2 number, since 2×807906783192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80790678349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1586004 + ... + 1636150.

It is an arithmetic number, because the mean of its divisors is an integer number (7291193238).

Almost surely, 280790678319 is an apocalyptic number.

80790678319 is a deficient number, since it is larger than the sum of its proper divisors (6703640537).

80790678319 is a wasteful number, since it uses less digits than its factorization.

80790678319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59706 (or 59693 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 80790678319 in words is "eighty billion, seven hundred ninety million, six hundred seventy-eight thousand, three hundred nineteen".

Divisors: 1 13 169 9533 50147 123929 651911 1611077 8474843 478051351 6214667563 80790678319