Base | Representation |
---|---|
bin | 100111111000111111… |
… | …000001100111000110 |
3 | 11002120000220212110220 |
4 | 213320333001213012 |
5 | 1200204441230102 |
6 | 31402101525210 |
7 | 3044262540141 |
oct | 477077014706 |
9 | 132500825426 |
10 | 42831976902 |
11 | 1718a597220 |
12 | 8374413806 |
13 | 40679c7540 |
14 | 2104757058 |
15 | 11aa43b1bc |
hex | 9f8fc19c6 |
42831976902 has 64 divisors (see below), whose sum is σ = 100732052736. Its totient is φ = 11970034560.
The previous prime is 42831976841. The next prime is 42831976919. The reversal of 42831976902 is 20967913824.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 941308 + ... + 985760.
It is an arithmetic number, because the mean of its divisors is an integer number (1573938324).
Almost surely, 242831976902 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42831976902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50366026368).
42831976902 is an abundant number, since it is smaller than the sum of its proper divisors (57900075834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42831976902 is a wasteful number, since it uses less digits than its factorization.
42831976902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45605.
The product of its (nonzero) digits is 1306368, while the sum is 51.
The spelling of 42831976902 in words is "forty-two billion, eight hundred thirty-one million, nine hundred seventy-six thousand, nine hundred two".
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