Base | Representation |
---|---|
bin | 111011111110000… |
… | …0011100111000011 |
3 | 12012020100222112222 |
4 | 1313330003213003 |
5 | 13110112412011 |
6 | 531401041255 |
7 | 100602455660 |
oct | 16774034703 |
9 | 5166328488 |
10 | 2012232131 |
11 | 942941868 |
12 | 481a8622b |
13 | 260b6ac00 |
14 | 151360a67 |
15 | bb9cbddb |
hex | 77f039c3 |
2012232131 has 24 divisors (see below), whose sum is σ = 2494181664. Its totient is φ = 1589552640.
The previous prime is 2012232127. The next prime is 2012232137. The reversal of 2012232131 is 1312322102.
It is not a de Polignac number, because 2012232131 - 22 = 2012232127 is a prime.
It is a super-2 number, since 2×20122321312 = 8098156298057602322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2012232137) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1154921 + ... + 1156661.
It is an arithmetic number, because the mean of its divisors is an integer number (103924236).
Almost surely, 22012232131 is an apocalyptic number.
2012232131 is a deficient number, since it is larger than the sum of its proper divisors (481949533).
2012232131 is a wasteful number, since it uses less digits than its factorization.
2012232131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2751 (or 2738 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 2012232131 is about 44857.9104618126. The cubic root of 2012232131 is about 1262.4844176229.
Adding to 2012232131 its reverse (1312322102), we get a palindrome (3324554233).
The spelling of 2012232131 in words is "two billion, twelve million, two hundred thirty-two thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •