Base | Representation |
---|---|
bin | 1000101011110010… |
… | …0011100100001001 |
3 | 20000110102200100122 |
4 | 2022330203210021 |
5 | 14233232130441 |
6 | 1023152113025 |
7 | 111524164505 |
oct | 21274434411 |
9 | 6013380318 |
10 | 2331130121 |
11 | a96953621 |
12 | 550835775 |
13 | 2b1c54648 |
14 | 181853305 |
15 | d99c034b |
hex | 8af23909 |
2331130121 has 16 divisors (see below), whose sum is σ = 2479196160. Its totient is φ = 2185722000.
The previous prime is 2331130103. The next prime is 2331130127. The reversal of 2331130121 is 1210311332.
It is a de Polignac number, because none of the positive numbers 2k-2331130121 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2331130121.
It is not an unprimeable number, because it can be changed into a prime (2331130127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794960 + ... + 797886.
It is an arithmetic number, because the mean of its divisors is an integer number (154949760).
Almost surely, 22331130121 is an apocalyptic number.
It is an amenable number.
2331130121 is a deficient number, since it is larger than the sum of its proper divisors (148066039).
2331130121 is a wasteful number, since it uses less digits than its factorization.
2331130121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3364.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 2331130121 is about 48281.7783537434. The cubic root of 2331130121 is about 1325.9348088875.
Adding to 2331130121 its reverse (1210311332), we get a palindrome (3541441453).
The spelling of 2331130121 in words is "two billion, three hundred thirty-one million, one hundred thirty thousand, one hundred twenty-one".
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