Base | Representation |
---|---|
bin | 111110101110110… |
… | …1011110111111111 |
3 | 12102200210201110100 |
4 | 1331131223313333 |
5 | 13302330341022 |
6 | 544512012143 |
7 | 103106433330 |
oct | 17535536777 |
9 | 5380721410 |
10 | 2104933887 |
11 | 9901a8a91 |
12 | 4a8b31053 |
13 | 277127814 |
14 | 15d7b2287 |
15 | c4bde1ac |
hex | 7d76bdff |
2104933887 has 12 divisors (see below), whose sum is σ = 3474811600. Its totient is φ = 1202819328.
The previous prime is 2104933861. The next prime is 2104933921. The reversal of 2104933887 is 7883394012.
It is not a de Polignac number, because 2104933887 - 26 = 2104933823 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 (2104933847) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16705762 + ... + 16705887.
Almost surely, 22104933887 is an apocalyptic number.
2104933887 is a deficient number, since it is larger than the sum of its proper divisors (1369877713).
2104933887 is a wasteful number, since it uses less digits than its factorization.
2104933887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33411662 (or 33411659 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The square root of 2104933887 is about 45879.5584874135. The cubic root of 2104933887 is about 1281.5812746981.
The spelling of 2104933887 in words is "two billion, one hundred four million, nine hundred thirty-three thousand, eight hundred eighty-seven".
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