Base | Representation |
---|---|
bin | 1010100000111000110010… |
… | …01010000001101010100111 |
3 | 10000212021100122121001220111 |
4 | 11100130121022001222213 |
5 | 11012300213114404111 |
6 | 121101142033313451 |
7 | 4604244610023535 |
oct | 520343112015247 |
9 | 100767318531814 |
10 | 23120231013031 |
11 | 7404264733399 |
12 | 2714a32705887 |
13 | cb92c7b233a9 |
14 | 59d04d033155 |
15 | 2a16249b3a21 |
hex | 150719281aa7 |
23120231013031 has 16 divisors (see below), whose sum is σ = 23467440981600. Its totient is φ = 22774686612480.
The previous prime is 23120231013029. The next prime is 23120231013037. The reversal of 23120231013031 is 13031013202132.
It is a cyclic number.
It is not a de Polignac number, because 23120231013031 - 21 = 23120231013029 is a prime.
It is a super-2 number, since 2×231202310130312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23120231012993 and 23120231013011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23120231013037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125260771 + ... + 125445211.
It is an arithmetic number, because the mean of its divisors is an integer number (1466715061350).
Almost surely, 223120231013031 is an apocalyptic number.
23120231013031 is a deficient number, since it is larger than the sum of its proper divisors (347209968569).
23120231013031 is a wasteful number, since it uses less digits than its factorization.
23120231013031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188946.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 23120231013031 its reverse (13031013202132), we get a palindrome (36151244215163).
The spelling of 23120231013031 in words is "twenty-three trillion, one hundred twenty billion, two hundred thirty-one million, thirteen thousand, thirty-one".
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