Base | Representation |
---|---|
bin | 100111111100110011… |
… | …001010111000010010 |
3 | 11002201111100110111000 |
4 | 213330303022320102 |
5 | 1200322332244002 |
6 | 31412305402430 |
7 | 3046000540233 |
oct | 477463127022 |
9 | 132644313430 |
10 | 42895978002 |
11 | 17212730199 |
12 | 8391939416 |
13 | 4078045707 |
14 | 210d05708a |
15 | 11b0d7e61c |
hex | 9fcccae12 |
42895978002 has 32 divisors (see below), whose sum is σ = 95661264960. Its totient is φ = 14248128960.
The previous prime is 42895977979. The next prime is 42895978019. The reversal of 42895978002 is 20087959824.
42895978002 is a `hidden beast` number, since 42 + 8 + 9 + 597 + 8 + 0 + 0 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 42895978002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388199 + ... + 1418762.
It is an arithmetic number, because the mean of its divisors is an integer number (2989414530).
Almost surely, 242895978002 is an apocalyptic number.
42895978002 is an abundant number, since it is smaller than the sum of its proper divisors (52765286958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42895978002 is a wasteful number, since it uses less digits than its factorization.
42895978002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2807255 (or 2807249 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The spelling of 42895978002 in words is "forty-two billion, eight hundred ninety-five million, nine hundred seventy-eight thousand, two".
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