Base | Representation |
---|---|
bin | 100101000011101100… |
… | …1010100110001111001 |
3 | 21121102010122100122221 |
4 | 1022013121110301321 |
5 | 2300440212133301 |
6 | 100320424244041 |
7 | 5515043056021 |
oct | 1120731246171 |
9 | 247363570587 |
10 | 79580974201 |
11 | 30828426873 |
12 | 1350b610621 |
13 | 7673391661 |
14 | 3bcd260a81 |
15 | 210b7ecda1 |
hex | 1287654c79 |
79580974201 has 3 divisors (see below), whose sum is σ = 79581256303. Its totient is φ = 79580692100.
The previous prime is 79580974177. The next prime is 79580974219. The reversal of 79580974201 is 10247908597.
The square root of 79580974201 is 282101.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 17410538601 + 62170435600 = 131949^2 + 249340^2 .
It is not a de Polignac number, because 79580974201 - 217 = 79580843129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (79580974241) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 141051 + ... + 423151.
Almost surely, 279580974201 is an apocalyptic number.
79580974201 is the 282101-st square number.
79580974201 is the 141051-st centered octagonal number.
It is an amenable number.
79580974201 is a deficient number, since it is larger than the sum of its proper divisors (282102).
79580974201 is an frugal number, since it uses more digits than its factorization.
79580974201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 564202 (or 282101 counting only the distinct ones).
The product of its (nonzero) digits is 1270080, while the sum is 52.
The spelling of 79580974201 in words is "seventy-nine billion, five hundred eighty million, nine hundred seventy-four thousand, two hundred one".
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