Base | Representation |
---|---|
bin | 1001111111001001… |
… | …1110010011110110 |
3 | 20220211102012011220 |
4 | 2133302132103312 |
5 | 20442241334234 |
6 | 1122003011210 |
7 | 123301332534 |
oct | 23762362366 |
9 | 6824365156 |
10 | 2680808694 |
11 | 1156279283 |
12 | 629969b06 |
13 | 339527445 |
14 | 1b6079154 |
15 | 10a543a49 |
hex | 9fc9e4f6 |
2680808694 has 32 divisors (see below), whose sum is σ = 5432196960. Its totient is φ = 881878272.
The previous prime is 2680808687. The next prime is 2680808729. The reversal of 2680808694 is 4968080862.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292932 + ... + 301944.
It is an arithmetic number, because the mean of its divisors is an integer number (169756155).
Almost surely, 22680808694 is an apocalyptic number.
2680808694 is an abundant number, since it is smaller than the sum of its proper divisors (2751388266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2680808694 is a wasteful number, since it uses less digits than its factorization.
2680808694 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9664.
The product of its (nonzero) digits is 1327104, while the sum is 51.
The square root of 2680808694 is about 51776.5264767732. The cubic root of 2680808694 is about 1389.1696115056.
The spelling of 2680808694 in words is "two billion, six hundred eighty million, eight hundred eight thousand, six hundred ninety-four".
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