Base | Representation |
---|---|
bin | 1010110010110110… |
… | …1100101111110001 |
3 | 21110221110102111120 |
4 | 2230231230233301 |
5 | 21413300122123 |
6 | 1155310532453 |
7 | 131543466000 |
oct | 25455545761 |
9 | 7427412446 |
10 | 2897660913 |
11 | 1257721594 |
12 | 68a507129 |
13 | 372432174 |
14 | 1d6ba6c37 |
15 | 11e5cb2e3 |
hex | acb6cbf1 |
2897660913 has 16 divisors (see below), whose sum is σ = 4505596800. Its totient is φ = 1655805648.
The previous prime is 2897660903. The next prime is 2897660933. The reversal of 2897660913 is 3190667982.
It is a de Polignac number, because none of the positive numbers 2k-2897660913 is a prime.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (2897660903) 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 15 ways as a sum of consecutive naturals, for example, 1406970 + ... + 1409027.
It is an arithmetic number, because the mean of its divisors is an integer number (281599800).
Almost surely, 22897660913 is an apocalyptic number.
It is an amenable number.
2897660913 is a deficient number, since it is larger than the sum of its proper divisors (1607935887).
2897660913 is an equidigital number, since it uses as much as digits as its factorization.
2897660913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2816021 (or 2816007 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 51.
The square root of 2897660913 is about 53829.9258126927. The cubic root of 2897660913 is about 1425.6596372331.
The spelling of 2897660913 in words is "two billion, eight hundred ninety-seven million, six hundred sixty thousand, nine hundred thirteen".
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