Base | Representation |
---|---|
bin | 100101100111101111… |
… | …1111110101100101111 |
3 | 21201112102220200202011 |
4 | 1023033133332230233 |
5 | 2310424403201234 |
6 | 101040440342051 |
7 | 5560032302131 |
oct | 1131737765457 |
9 | 251472820664 |
10 | 80790678319 |
11 | 3129926043a |
12 | 137a8774927 |
13 | 7806ba2b00 |
14 | 3ca5b99051 |
15 | 217cb03b64 |
hex | 12cf7feb2f |
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".
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