Base | Representation |
---|---|
bin | 1001111111000100… |
… | …0010111011110100 |
3 | 20220210201011202220 |
4 | 2133301002323310 |
5 | 20442142400140 |
6 | 1121551002340 |
7 | 123265213416 |
oct | 23761027364 |
9 | 6823634686 |
10 | 2680434420 |
11 | 1156043064 |
12 | 6298093b0 |
13 | 339425c91 |
14 | 1b5dbc9b6 |
15 | 10a4bcbd0 |
hex | 9fc42ef4 |
2680434420 has 48 divisors (see below), whose sum is σ = 7508531520. Its totient is φ = 714466816.
The previous prime is 2680434413. The next prime is 2680434431. The reversal of 2680434420 is 244340862.
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, 147979 + ... + 165101.
It is an arithmetic number, because the mean of its divisors is an integer number (156427740).
Almost surely, 22680434420 is an apocalyptic number.
2680434420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2680434420 is an abundant number, since it is smaller than the sum of its proper divisors (4828097100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2680434420 is a wasteful number, since it uses less digits than its factorization.
2680434420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19744 (or 19742 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 33.
The square root of 2680434420 is about 51772.9120293615. The cubic root of 2680434420 is about 1389.1049600857.
The spelling of 2680434420 in words is "two billion, six hundred eighty million, four hundred thirty-four thousand, four hundred twenty".
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