Base | Representation |
---|---|
bin | 1001111110100000… |
… | …0111111000111100 |
3 | 20220122022100021021 |
4 | 2133220013320330 |
5 | 20441043023140 |
6 | 1121424513524 |
7 | 123236302240 |
oct | 23750077074 |
9 | 6818270237 |
10 | 2678095420 |
11 | 1154795800 |
12 | 628a7b8a4 |
13 | 338ab7460 |
14 | 1b5970420 |
15 | 10a1a9b4a |
hex | 9fa07e3c |
2678095420 has 144 divisors (see below), whose sum is σ = 7608936384. Its totient is φ = 770457600.
The previous prime is 2678095369. The next prime is 2678095457. The reversal of 2678095420 is 245908762.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214140 + ... + 226300.
It is an arithmetic number, because the mean of its divisors is an integer number (52839836).
Almost surely, 22678095420 is an apocalyptic number.
2678095420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2678095420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3804468192).
2678095420 is an abundant number, since it is smaller than the sum of its proper divisors (4930840964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2678095420 is a wasteful number, since it uses less digits than its factorization.
2678095420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12212 (or 12199 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 43.
The square root of 2678095420 is about 51750.3180666554. The cubic root of 2678095420 is about 1388.7007890284.
The spelling of 2678095420 in words is "two billion, six hundred seventy-eight million, ninety-five thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •