Base | Representation |
---|---|
bin | 1001111111000111… |
… | …1011011010010000 |
3 | 20220211010221002110 |
4 | 2133301323122100 |
5 | 20442222300434 |
6 | 1121555545320 |
7 | 123300166011 |
oct | 23761733220 |
9 | 6824127073 |
10 | 2680665744 |
11 | 1156190939 |
12 | 6298bb240 |
13 | 3394a7363 |
14 | 1b603d008 |
15 | 10a5164e9 |
hex | 9fc7b690 |
2680665744 has 40 divisors (see below), whose sum is σ = 6947358912. Its totient is φ = 890677120.
The previous prime is 2680665739. The next prime is 2680665751. The reversal of 2680665744 is 4475660862.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 2680665693 and 2680665702.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74859 + ... + 104714.
Almost surely, 22680665744 is an apocalyptic number.
2680665744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2680665744 is an abundant number, since it is smaller than the sum of its proper divisors (4266693168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2680665744 is a wasteful number, since it uses less digits than its factorization.
2680665744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179895 (or 179889 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 48.
The square root of 2680665744 is about 51775.1460065541. The cubic root of 2680665744 is about 1389.1449192891.
The spelling of 2680665744 in words is "two billion, six hundred eighty million, six hundred sixty-five thousand, seven hundred forty-four".
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