Base | Representation |
---|---|
bin | 1011000111011010… |
… | …1011011000001000 |
3 | 21200221201212020000 |
4 | 2301312223120020 |
5 | 22102334310210 |
6 | 1212031203000 |
7 | 133641510615 |
oct | 26166533010 |
9 | 7627655200 |
10 | 2983900680 |
11 | 12a1374822 |
12 | 6b3376460 |
13 | 387268707 |
14 | 20441550c |
15 | 126e63ac0 |
hex | b1dab608 |
2983900680 has 80 divisors (see below), whose sum is σ = 10029232620. Its totient is φ = 795705984.
The previous prime is 2983900679. The next prime is 2983900697. The reversal of 2983900680 is 860093892.
It can be written as a sum of positive squares in 2 ways, for example, as 2764446084 + 219454596 = 52578^2 + 14814^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 457239 + ... + 463718.
Almost surely, 22983900680 is an apocalyptic number.
2983900680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2983900680 is an abundant number, since it is smaller than the sum of its proper divisors (7045331940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2983900680 is a wasteful number, since it uses less digits than its factorization.
2983900680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 920980 (or 920967 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The square root of 2983900680 is about 54625.0920365357. The cubic root of 2983900680 is about 1439.6650262509.
The spelling of 2983900680 in words is "two billion, nine hundred eighty-three million, nine hundred thousand, six hundred eighty".
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