Base | Representation |
---|---|
bin | 100100111101101100… |
… | …0100111000101101001 |
3 | 21120220002110101202221 |
4 | 1021323120213011221 |
5 | 2300032120213312 |
6 | 100244425154041 |
7 | 5510045165263 |
oct | 1117330470551 |
9 | 246802411687 |
10 | 79379460457 |
11 | 307346aa590 |
12 | 1347402b921 |
13 | 76406c735b |
14 | 3bb05a6b33 |
15 | 20e8c95207 |
hex | 127b627169 |
79379460457 has 8 divisors (see below), whose sum is σ = 88229658240. Its totient is φ = 70801576560.
The previous prime is 79379460443. The next prime is 79379460469. The reversal of 79379460457 is 75406497397.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 79379460457 - 223 = 79371071849 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 79379460395 and 79379460404.
It is not an unprimeable number, because it can be changed into a prime (79379460487) 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 in 7 ways as a sum of consecutive naturals, for example, 68077857 + ... + 68079022.
It is an arithmetic number, because the mean of its divisors is an integer number (11028707280).
Almost surely, 279379460457 is an apocalyptic number.
It is an amenable number.
79379460457 is a deficient number, since it is larger than the sum of its proper divisors (8850197783).
79379460457 is a wasteful number, since it uses less digits than its factorization.
79379460457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136156943.
The product of its (nonzero) digits is 40007520, while the sum is 61.
The spelling of 79379460457 in words is "seventy-nine billion, three hundred seventy-nine million, four hundred sixty thousand, four hundred fifty-seven".
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