Base | Representation |
---|---|
bin | 100111110111101111… |
… | …000000100001100011 |
3 | 11002111120110011212002 |
4 | 213313233000201203 |
5 | 1200134104012211 |
6 | 31400032154215 |
7 | 3043616334536 |
oct | 476757004143 |
9 | 132446404762 |
10 | 42811000931 |
11 | 1717976a706 |
12 | 836939896b |
13 | 4063561b1a |
14 | 2101a56a1d |
15 | 11a869603b |
hex | 9f7bc0863 |
42811000931 has 8 divisors (see below), whose sum is σ = 42865794864. Its totient is φ = 42756236320.
The previous prime is 42811000901. The next prime is 42811000951. The reversal of 42811000931 is 13900011824.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42811000931 - 226 = 42743892067 is a prime.
It is a super-2 number, since 2×428110009312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42811000894 and 42811000903.
It is not an unprimeable number, because it can be changed into a prime (42811000901) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 4635140 + ... + 4644366.
It is an arithmetic number, because the mean of its divisors is an integer number (5358224358).
Almost surely, 242811000931 is an apocalyptic number.
42811000931 is a deficient number, since it is larger than the sum of its proper divisors (54793933).
42811000931 is a wasteful number, since it uses less digits than its factorization.
42811000931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14661.
The product of its (nonzero) digits is 1728, while the sum is 29.
The spelling of 42811000931 in words is "forty-two billion, eight hundred eleven million, nine hundred thirty-one", and thus it is an aban number.
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