Base | Representation |
---|---|
bin | 1001111110101001… |
… | …0100110011000100 |
3 | 20220200101122222120 |
4 | 2133222110303010 |
5 | 20441220010310 |
6 | 1121445125540 |
7 | 123244225023 |
oct | 23752246304 |
9 | 6820348876 |
10 | 2678672580 |
11 | 115504a3a1 |
12 | 6290b98b0 |
13 | 338c5a07c |
14 | 1b5a808ba |
15 | 10a270b70 |
hex | 9fa94cc4 |
2678672580 has 48 divisors (see below), whose sum is σ = 7758918720. Its totient is φ = 689680768.
The previous prime is 2678672569. The next prime is 2678672587. The reversal of 2678672580 is 852768762.
It is a happy number.
2678672580 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (2678672587) 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, 767994 + ... + 771473.
It is an arithmetic number, because the mean of its divisors is an integer number (161644140).
Almost surely, 22678672580 is an apocalyptic number.
2678672580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2678672580 is an abundant number, since it is smaller than the sum of its proper divisors (5080246140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2678672580 is a wasteful number, since it uses less digits than its factorization.
2678672580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1539508 (or 1539506 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 51.
The square root of 2678672580 is about 51755.8941570909. The cubic root of 2678672580 is about 1388.8005421303.
The spelling of 2678672580 in words is "two billion, six hundred seventy-eight million, six hundred seventy-two thousand, five hundred eighty".
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