Base | Representation |
---|---|
bin | 100101100110001010… |
… | …1000000011010110011 |
3 | 21201101201210102211112 |
4 | 1023030111000122303 |
5 | 2310322243021011 |
6 | 101031300103535 |
7 | 5555515113203 |
oct | 1131425003263 |
9 | 251351712745 |
10 | 80737470131 |
11 | 3127121932a |
12 | 13792994bab |
13 | 77c8b63386 |
14 | 3c9caa8403 |
15 | 21780e358b |
hex | 12cc5406b3 |
80737470131 has 2 divisors, whose sum is σ = 80737470132. Its totient is φ = 80737470130.
The previous prime is 80737470083. The next prime is 80737470161. The reversal of 80737470131 is 13107473708.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80737470131 - 210 = 80737469107 is a prime.
It is a super-2 number, since 2×807374701312 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (80737470161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40368735065 + 40368735066.
It is an arithmetic number, because the mean of its divisors is an integer number (40368735066).
Almost surely, 280737470131 is an apocalyptic number.
80737470131 is a deficient number, since it is larger than the sum of its proper divisors (1).
80737470131 is an equidigital number, since it uses as much as digits as its factorization.
80737470131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 98784, while the sum is 41.
The spelling of 80737470131 in words is "eighty billion, seven hundred thirty-seven million, four hundred seventy thousand, one hundred thirty-one".
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