Base | Representation |
---|---|
bin | 100111110111101110… |
… | …001101010001001010 |
3 | 11002111120001111212100 |
4 | 213313232031101022 |
5 | 1200134030302421 |
6 | 31400023454230 |
7 | 3043614501465 |
oct | 476756152112 |
9 | 132446044770 |
10 | 42810790986 |
11 | 171796369a7 |
12 | 83692b7376 |
13 | 40634ba3b2 |
14 | 2101a002dc |
15 | 11a8653c26 |
hex | 9f7b8d44a |
42810790986 has 48 divisors (see below), whose sum is σ = 92977634880. Its totient is φ = 14236326720.
The previous prime is 42810790963. The next prime is 42810790987. The reversal of 42810790986 is 68909701824.
It is not an unprimeable number, because it can be changed into a prime (42810790987) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20994955 + ... + 20996993.
It is an arithmetic number, because the mean of its divisors is an integer number (1937034060).
Almost surely, 242810790986 is an apocalyptic number.
42810790986 is an abundant number, since it is smaller than the sum of its proper divisors (50166843894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42810790986 is a wasteful number, since it uses less digits than its factorization.
42810790986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4251 (or 4248 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 54.
The spelling of 42810790986 in words is "forty-two billion, eight hundred ten million, seven hundred ninety thousand, nine hundred eighty-six".
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