Base | Representation |
---|---|
bin | 100111111101110011… |
… | …101011011111000111 |
3 | 11002202200011121200221 |
4 | 213331303223133013 |
5 | 1200341144420100 |
6 | 31414112045211 |
7 | 3046264351621 |
oct | 477563533707 |
9 | 132680147627 |
10 | 42912888775 |
11 | 17221230539 |
12 | 8397533807 |
13 | 407b6b69a3 |
14 | 21113b9c11 |
15 | 11b25c001a |
hex | 9fdceb7c7 |
42912888775 has 24 divisors (see below), whose sum is σ = 56464046784. Its totient is φ = 32240947200.
The previous prime is 42912888773. The next prime is 42912888793. The reversal of 42912888775 is 57788821924.
It is not a de Polignac number, because 42912888775 - 21 = 42912888773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42912888773) 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, 87735 + ... + 305815.
It is an arithmetic number, because the mean of its divisors is an integer number (2352668616).
Almost surely, 242912888775 is an apocalyptic number.
42912888775 is a deficient number, since it is larger than the sum of its proper divisors (13551158009).
42912888775 is a wasteful number, since it uses less digits than its factorization.
42912888775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218571 (or 218566 counting only the distinct ones).
The product of its digits is 18063360, while the sum is 61.
The spelling of 42912888775 in words is "forty-two billion, nine hundred twelve million, eight hundred eighty-eight thousand, seven hundred seventy-five".
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