Base | Representation |
---|---|
bin | 110101111001111000… |
… | …101001010111100010 |
3 | 12112101201102121000010 |
4 | 311321320221113202 |
5 | 1422014120424430 |
6 | 42331153505350 |
7 | 4116210233115 |
oct | 657170512742 |
9 | 175351377003 |
10 | 57879467490 |
11 | 226014a5659 |
12 | b273872256 |
13 | 55c5330720 |
14 | 2b30dc057c |
15 | 178b4d1cb0 |
hex | d79e295e2 |
57879467490 has 32 divisors (see below), whose sum is σ = 149596163136. Its totient is φ = 14247253440.
The previous prime is 57879467479. The next prime is 57879467509. The reversal of 57879467490 is 9476497875.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74204056 + ... + 74204835.
It is an arithmetic number, because the mean of its divisors is an integer number (4674880098).
Almost surely, 257879467490 is an apocalyptic number.
57879467490 is an abundant number, since it is smaller than the sum of its proper divisors (91716695646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57879467490 is a wasteful number, since it uses less digits than its factorization.
57879467490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148408914.
The product of its (nonzero) digits is 106686720, while the sum is 66.
The spelling of 57879467490 in words is "fifty-seven billion, eight hundred seventy-nine million, four hundred sixty-seven thousand, four hundred ninety".
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