Base | Representation |
---|---|
bin | 1010010001010111… |
… | …1010011110101100 |
3 | 21010011011200022002 |
4 | 2210111322132230 |
5 | 21121321123410 |
6 | 1133332311432 |
7 | 125216611142 |
oct | 24425723654 |
9 | 7104150262 |
10 | 2757207980 |
11 | 119541018a |
12 | 64b472578 |
13 | 34c2c6917 |
14 | 1c2285592 |
15 | 1120d57a5 |
hex | a457a7ac |
2757207980 has 24 divisors (see below), whose sum is σ = 5791400160. Its totient is φ = 1102642560.
The previous prime is 2757207967. The next prime is 2757207997. The reversal of 2757207980 is 897027572.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100601 + ... + 125039.
It is an arithmetic number, because the mean of its divisors is an integer number (241308340).
Almost surely, 22757207980 is an apocalyptic number.
2757207980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2757207980 is an abundant number, since it is smaller than the sum of its proper divisors (3034192180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2757207980 is a wasteful number, since it uses less digits than its factorization.
2757207980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30089 (or 30087 counting only the distinct ones).
The product of its (nonzero) digits is 493920, while the sum is 47.
The square root of 2757207980 is about 52509.1228264194. The cubic root of 2757207980 is about 1402.2426606646.
The spelling of 2757207980 in words is "two billion, seven hundred fifty-seven million, two hundred seven thousand, nine hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •