Base | Representation |
---|---|
bin | 1000100111011110… |
… | …0000111100011111 |
3 | 12222012101011122200 |
4 | 2021313200330133 |
5 | 14214114001310 |
6 | 1021304142543 |
7 | 111214304640 |
oct | 21167407437 |
9 | 5865334580 |
10 | 2313031455 |
11 | a87711849 |
12 | 546767a53 |
13 | 2ab288787 |
14 | 17d2a16c7 |
15 | d80e79c0 |
hex | 89de0f1f |
2313031455 has 48 divisors (see below), whose sum is σ = 4781237760. Its totient is φ = 1011409344.
The previous prime is 2313031411. The next prime is 2313031477. The reversal of 2313031455 is 5541303132.
It is not a de Polignac number, because 2313031455 - 29 = 2313030943 is a prime.
It is a super-2 number, since 2×23130314552 = 10700229023638834050, which contains 22 as substring.
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, 152385 + ... + 166874.
It is an arithmetic number, because the mean of its divisors is an integer number (99609120).
Almost surely, 22313031455 is an apocalyptic number.
2313031455 is an abundant number, since it is smaller than the sum of its proper divisors (2468206305).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2313031455 is a wasteful number, since it uses less digits than its factorization.
2313031455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 319300 (or 319297 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The square root of 2313031455 is about 48093.9856426976. The cubic root of 2313031455 is about 1322.4944138281.
Adding to 2313031455 its reverse (5541303132), we get a palindrome (7854334587).
The spelling of 2313031455 in words is "two billion, three hundred thirteen million, thirty-one thousand, four hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •