Base | Representation |
---|---|
bin | 1010100111111101… |
… | …0001001100000100 |
3 | 21100202102022022111 |
4 | 2221333101030010 |
5 | 21320043404410 |
6 | 1150554510404 |
7 | 130450022146 |
oct | 25177211404 |
9 | 7322368274 |
10 | 2851934980 |
11 | 123392aa64 |
12 | 677135404 |
13 | 365b122bb |
14 | 1d0aa2c96 |
15 | 11a597b8a |
hex | a9fd1304 |
2851934980 has 48 divisors (see below), whose sum is σ = 6066418176. Its totient is φ = 1126108800.
The previous prime is 2851934971. The next prime is 2851934983. The reversal of 2851934980 is 894391582.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (2851934983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739417 + ... + 743263.
It is an arithmetic number, because the mean of its divisors is an integer number (126383712).
Almost surely, 22851934980 is an apocalyptic number.
2851934980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2851934980 is an abundant number, since it is smaller than the sum of its proper divisors (3214483196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2851934980 is a wasteful number, since it uses less digits than its factorization.
2851934980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4324 (or 4322 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 49.
The square root of 2851934980 is about 53403.5109332710. The cubic root of 2851934980 is about 1418.1207336245.
The spelling of 2851934980 in words is "two billion, eight hundred fifty-one million, nine hundred thirty-four thousand, nine hundred eighty".
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