Base | Representation |
---|---|
bin | 111111100001111… |
… | …0100101111000000 |
3 | 12111120012000211011 |
4 | 1333003310233000 |
5 | 13331204140424 |
6 | 551305530304 |
7 | 103553140435 |
oct | 17703645700 |
9 | 5446160734 |
10 | 2131708864 |
11 | 9a432646a |
12 | 4b5aa3994 |
13 | 27c8408bc |
14 | 163181b8c |
15 | c722c694 |
hex | 7f0f4bc0 |
2131708864 has 28 divisors (see below), whose sum is σ = 4246994808. Its totient is φ = 1061600000.
The previous prime is 2131708853. The next prime is 2131708877. The reversal of 2131708864 is 4688071312.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50287 + ... + 82414.
It is an arithmetic number, because the mean of its divisors is an integer number (151678386).
Almost surely, 22131708864 is an apocalyptic number.
It is an amenable number.
2131708864 is a deficient number, since it is larger than the sum of its proper divisors (2115285944).
2131708864 is a wasteful number, since it uses less digits than its factorization.
2131708864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132964 (or 132954 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 2131708864 is about 46170.4327898277. The cubic root of 2131708864 is about 1286.9923448567.
The spelling of 2131708864 in words is "two billion, one hundred thirty-one million, seven hundred eight thousand, eight hundred sixty-four".
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