Base | Representation |
---|---|
bin | 11011101101101111… |
… | …11010100000001001 |
3 | 1102101221222021112012 |
4 | 31312313322200021 |
5 | 220433043132141 |
6 | 10500242225305 |
7 | 1034502500414 |
oct | 156667724011 |
9 | 42357867465 |
10 | 14879270921 |
11 | 6345a62519 |
12 | 2a73055235 |
13 | 1531828328 |
14 | a12198b7b |
15 | 5c1417ceb |
hex | 376dfa809 |
14879270921 has 2 divisors, whose sum is σ = 14879270922. Its totient is φ = 14879270920.
The previous prime is 14879270863. The next prime is 14879270941. The reversal of 14879270921 is 12907297841.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8609798521 + 6269472400 = 92789^2 + 79180^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-14879270921 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 14879270921.
It is not a weakly prime, because it can be changed into another prime (14879270941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7439635460 + 7439635461.
It is an arithmetic number, because the mean of its divisors is an integer number (7439635461).
Almost surely, 214879270921 is an apocalyptic number.
It is an amenable number.
14879270921 is a deficient number, since it is larger than the sum of its proper divisors (1).
14879270921 is an equidigital number, since it uses as much as digits as its factorization.
14879270921 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 508032, while the sum is 50.
The spelling of 14879270921 in words is "fourteen billion, eight hundred seventy-nine million, two hundred seventy thousand, nine hundred twenty-one".
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