Base | Representation |
---|---|
bin | 100101010000100111… |
… | …1100011010100101011 |
3 | 21122112100121211210111 |
4 | 1022201033203110223 |
5 | 2302332220314242 |
6 | 100431434555151 |
7 | 5531560022233 |
oct | 1124117432453 |
9 | 248470554714 |
10 | 80014619947 |
11 | 30a30192289 |
12 | 13610898ab7 |
13 | 7712183482 |
14 | 3c30aa2cc3 |
15 | 213490a817 |
hex | 12a13e352b |
80014619947 has 2 divisors, whose sum is σ = 80014619948. Its totient is φ = 80014619946.
The previous prime is 80014619903. The next prime is 80014619969. The reversal of 80014619947 is 74991641008.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80014619947 - 211 = 80014617899 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80014619947.
It is not a weakly prime, because it can be changed into another prime (80014619747) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40007309973 + 40007309974.
It is an arithmetic number, because the mean of its divisors is an integer number (40007309974).
Almost surely, 280014619947 is an apocalyptic number.
80014619947 is a deficient number, since it is larger than the sum of its proper divisors (1).
80014619947 is an equidigital number, since it uses as much as digits as its factorization.
80014619947 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 435456, while the sum is 49.
The spelling of 80014619947 in words is "eighty billion, fourteen million, six hundred nineteen thousand, nine hundred forty-seven".
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