Base | Representation |
---|---|
bin | 1001010010010100… |
… | …0111101111000011 |
3 | 20102201120021110122 |
4 | 2110211013233003 |
5 | 20101121241404 |
6 | 1051204250455 |
7 | 115526046614 |
oct | 22445075703 |
9 | 6381507418 |
10 | 2492758979 |
11 | 106a108797 |
12 | 5969a0a2b |
13 | 309595619 |
14 | 1990c7c0b |
15 | e8c9a3be |
hex | 94947bc3 |
2492758979 has 8 divisors (see below), whose sum is σ = 2624437440. Its totient is φ = 2361128616.
The previous prime is 2492758913. The next prime is 2492758993. The reversal of 2492758979 is 9798572942.
2492758979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2492758979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2492758999) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151532 + ... + 167174.
It is an arithmetic number, because the mean of its divisors is an integer number (328054680).
Almost surely, 22492758979 is an apocalyptic number.
2492758979 is a deficient number, since it is larger than the sum of its proper divisors (131678461).
2492758979 is a wasteful number, since it uses less digits than its factorization.
2492758979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24049.
The product of its digits is 22861440, while the sum is 62.
The square root of 2492758979 is about 49927.5372815443. The cubic root of 2492758979 is about 1355.8971974967.
The spelling of 2492758979 in words is "two billion, four hundred ninety-two million, seven hundred fifty-eight thousand, nine hundred seventy-nine".
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