Base | Representation |
---|---|
bin | 111110001110010… |
… | …1111010110111010 |
3 | 12101111202202102100 |
4 | 1330130233112322 |
5 | 13234001040134 |
6 | 543103044230 |
7 | 102511634436 |
oct | 17434572672 |
9 | 5344682370 |
10 | 2087908794 |
11 | 98162a864 |
12 | 4a32a0676 |
13 | 2737464ba |
14 | 15b41d9c6 |
15 | c3479999 |
hex | 7c72f5ba |
2087908794 has 12 divisors (see below), whose sum is σ = 4523802426. Its totient is φ = 695969592.
The previous prime is 2087908787. The next prime is 2087908811. The reversal of 2087908794 is 4978097802.
It can be written as a sum of positive squares in only one way, i.e., 1529201025 + 558707769 = 39105^2 + 23637^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2087908794.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57997449 + ... + 57997484.
Almost surely, 22087908794 is an apocalyptic number.
2087908794 is an abundant number, since it is smaller than the sum of its proper divisors (2435893632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2087908794 is a wasteful number, since it uses less digits than its factorization.
2087908794 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115994941 (or 115994938 counting only the distinct ones).
The product of its (nonzero) digits is 2032128, while the sum is 54.
The square root of 2087908794 is about 45693.6406297419. The cubic root of 2087908794 is about 1278.1166953181.
The spelling of 2087908794 in words is "two billion, eighty-seven million, nine hundred eight thousand, seven hundred ninety-four".
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