Base | Representation |
---|---|
bin | 1010000001100100… |
… | …0001111000000001 |
3 | 20221112102200120200 |
4 | 2200121001320001 |
5 | 21002333301331 |
6 | 1123003355413 |
7 | 123453256455 |
oct | 24031017001 |
9 | 6845380520 |
10 | 2690915841 |
11 | 1160a51999 |
12 | 631222b69 |
13 | 33b6559c3 |
14 | 1b754a665 |
15 | 10b38d5e6 |
hex | a0641e01 |
2690915841 has 24 divisors (see below), whose sum is σ = 4019371200. Its totient is φ = 1733805216.
The previous prime is 2690915807. The next prime is 2690915861. The reversal of 2690915841 is 1485190962.
2690915841 is a `hidden beast` number, since 2 + 69 + 0 + 9 + 1 + 584 + 1 = 666.
It is not a de Polignac number, because 2690915841 - 215 = 2690883073 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2690915861) 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, 10141 + ... + 74058.
It is an arithmetic number, because the mean of its divisors is an integer number (167473800).
Almost surely, 22690915841 is an apocalyptic number.
It is an amenable number.
2690915841 is a deficient number, since it is larger than the sum of its proper divisors (1328455359).
2690915841 is a wasteful number, since it uses less digits than its factorization.
2690915841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84325 (or 84322 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 45.
The square root of 2690915841 is about 51874.0382175901. The cubic root of 2690915841 is about 1390.9132312845.
The spelling of 2690915841 in words is "two billion, six hundred ninety million, nine hundred fifteen thousand, eight hundred forty-one".
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