Base | Representation |
---|---|
bin | 1001111110111110… |
… | …0100110011001000 |
3 | 20220202222120212011 |
4 | 2133233210303020 |
5 | 20442043030330 |
6 | 1121534425304 |
7 | 123262016320 |
oct | 23757446310 |
9 | 6822876764 |
10 | 2680048840 |
11 | 11558aa3a7 |
12 | 629662234 |
13 | 33931c621 |
14 | 1b5d1c280 |
15 | 10a44382a |
hex | 9fbe4cc8 |
2680048840 has 64 divisors (see below), whose sum is σ = 6896223360. Its totient is φ = 918251520.
The previous prime is 2680048807. The next prime is 2680048867. The reversal of 2680048840 is 488400862.
It is a Smith number, since the sum of its digits (40) 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 (40).
2680048840 is a modest number, since divided by 48840 gives 2680 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 2680048793 and 2680048802.
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, 634335 + ... + 638545.
It is an arithmetic number, because the mean of its divisors is an integer number (107753490).
Almost surely, 22680048840 is an apocalyptic number.
2680048840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2680048840 is an abundant number, since it is smaller than the sum of its proper divisors (4216174520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2680048840 is a wasteful number, since it uses less digits than its factorization.
2680048840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6502 (or 6498 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 40.
The square root of 2680048840 is about 51769.1881334834. The cubic root of 2680048840 is about 1389.0383493937.
The spelling of 2680048840 in words is "two billion, six hundred eighty million, forty-eight thousand, eight hundred forty".
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