Base | Representation |
---|---|
bin | 100111111011001011… |
… | …110111110100100100 |
3 | 11002122121101201020000 |
4 | 213323023313310210 |
5 | 1200243414232413 |
6 | 31405501141300 |
7 | 3045221426100 |
oct | 477313676444 |
9 | 132577351200 |
10 | 42868899108 |
11 | 171a9415442 |
12 | 838485a830 |
13 | 40725541b9 |
14 | 2109608900 |
15 | 11ad7d1073 |
hex | 9fb2f7d24 |
42868899108 has 90 divisors (see below), whose sum is σ = 130364597286. Its totient is φ = 12248252352.
The previous prime is 42868899097. The next prime is 42868899121. The reversal of 42868899108 is 80199886824.
It can be written as a sum of positive squares in only one way, i.e., 42856452324 + 12446784 = 207018^2 + 3528^2 .
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1334241 + ... + 1365992.
Almost surely, 242868899108 is an apocalyptic number.
It is an amenable number.
42868899108 is an abundant number, since it is smaller than the sum of its proper divisors (87495698178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42868899108 is a wasteful number, since it uses less digits than its factorization.
42868899108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2700263 (or 2700245 counting only the distinct ones).
The product of its (nonzero) digits is 15925248, while the sum is 63.
The spelling of 42868899108 in words is "forty-two billion, eight hundred sixty-eight million, eight hundred ninety-nine thousand, one hundred eight".
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