Base | Representation |
---|---|
bin | 1010010100010110… |
… | …0001011111011100 |
3 | 21011000122202102001 |
4 | 2211011201133130 |
5 | 21133020013130 |
6 | 1134500012044 |
7 | 125430651463 |
oct | 24505413734 |
9 | 7130582361 |
10 | 2769688540 |
11 | 11a1464aa3 |
12 | 653691024 |
13 | 351a76578 |
14 | 1c3bb39da |
15 | 11324d6ca |
hex | a51617dc |
2769688540 has 24 divisors (see below), whose sum is σ = 5872819680. Its totient is φ = 1097118528.
The previous prime is 2769688513. The next prime is 2769688541. The reversal of 2769688540 is 458869672.
2769688540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2769688541) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670195 + ... + 674314.
It is an arithmetic number, because the mean of its divisors is an integer number (244700820).
Almost surely, 22769688540 is an apocalyptic number.
2769688540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2769688540 is an abundant number, since it is smaller than the sum of its proper divisors (3103131140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2769688540 is a wasteful number, since it uses less digits than its factorization.
2769688540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1344621 (or 1344619 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 55.
The square root of 2769688540 is about 52627.8304701989. The cubic root of 2769688540 is about 1404.3552366373.
The spelling of 2769688540 in words is "two billion, seven hundred sixty-nine million, six hundred eighty-eight thousand, five hundred forty".
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