Base | Representation |
---|---|
bin | 111111010000011… |
… | …0100000110111100 |
3 | 12110220220202111220 |
4 | 1332200310012330 |
5 | 13321332000020 |
6 | 550341113340 |
7 | 103412134533 |
oct | 17640640674 |
9 | 5426822456 |
10 | 2122531260 |
11 | 99a128173 |
12 | 4b29b8850 |
13 | 27a979475 |
14 | 161c7331a |
15 | c6518240 |
hex | 7e8341bc |
2122531260 has 48 divisors (see below), whose sum is σ = 6292683936. Its totient is φ = 532713472.
The previous prime is 2122531253. The next prime is 2122531289. The reversal of 2122531260 is 621352212.
It is a self number, because there is not a number n which added to its sum of digits gives 2122531260.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039437 + ... + 1041476.
It is an arithmetic number, because the mean of its divisors is an integer number (131097582).
Almost surely, 22122531260 is an apocalyptic number.
2122531260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2122531260 is an abundant number, since it is smaller than the sum of its proper divisors (4170152676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122531260 is a wasteful number, since it uses less digits than its factorization.
2122531260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2080942 (or 2080940 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 2122531260 is about 46070.9372598388. The cubic root of 2122531260 is about 1285.1427337198.
Adding to 2122531260 its reverse (621352212), we get a palindrome (2743883472).
The spelling of 2122531260 in words is "two billion, one hundred twenty-two million, five hundred thirty-one thousand, two hundred sixty".
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