Base | Representation |
---|---|
bin | 1001100110101010… |
… | …0110010011010011 |
3 | 20122200010002020201 |
4 | 2121222212103103 |
5 | 20234442042404 |
6 | 1103453120031 |
7 | 120613220035 |
oct | 23152462323 |
9 | 6580102221 |
10 | 2578080979 |
11 | 1103294441 |
12 | 5bb489017 |
13 | 32116a206 |
14 | 1a6577c55 |
15 | 101500ca4 |
hex | 99aa64d3 |
2578080979 has 2 divisors, whose sum is σ = 2578080980. Its totient is φ = 2578080978.
The previous prime is 2578080941. The next prime is 2578080997. The reversal of 2578080979 is 9790808752.
2578080979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Together with next prime (2578080997) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2578080979 - 215 = 2578048211 is a prime.
It is not a weakly prime, because it can be changed into another prime (2578080919) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289040489 + 1289040490.
It is an arithmetic number, because the mean of its divisors is an integer number (1289040490).
Almost surely, 22578080979 is an apocalyptic number.
2578080979 is a deficient number, since it is larger than the sum of its proper divisors (1).
2578080979 is an equidigital number, since it uses as much as digits as its factorization.
2578080979 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2540160, while the sum is 55.
The square root of 2578080979 is about 50774.8065382823. The cubic root of 2578080979 is about 1371.1938337270.
The spelling of 2578080979 in words is "two billion, five hundred seventy-eight million, eighty thousand, nine hundred seventy-nine".
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