Base | Representation |
---|---|
bin | 10101101000000110… |
… | …010001001010110011 |
3 | 2012221022222210000101 |
4 | 111220012101022303 |
5 | 340024123411011 |
6 | 14400121133231 |
7 | 1451305610425 |
oct | 255006211263 |
9 | 65838883011 |
10 | 23221310131 |
11 | 9936907aa8 |
12 | 460092a217 |
13 | 2260b97cc6 |
14 | 11a405a815 |
15 | 90d9782c1 |
hex | 5681912b3 |
23221310131 has 8 divisors (see below), whose sum is σ = 23818244400. Its totient is φ = 22630257312.
The previous prime is 23221310113. The next prime is 23221310141. The reversal of 23221310131 is 13101312232.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23221310131 - 231 = 21073826483 is a prime.
It is a super-2 number, since 2×232213101312 (a number of 22 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 = 23221310099 and 23221310108.
It is not an unprimeable number, because it can be changed into a prime (23221310141) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462365 + ... + 1478158.
It is an arithmetic number, because the mean of its divisors is an integer number (2977280550).
Almost surely, 223221310131 is an apocalyptic number.
23221310131 is a deficient number, since it is larger than the sum of its proper divisors (596934269).
23221310131 is a wasteful number, since it uses less digits than its factorization.
23221310131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2940725.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 23221310131 its reverse (13101312232), we get a palindrome (36322622363).
The spelling of 23221310131 in words is "twenty-three billion, two hundred twenty-one million, three hundred ten thousand, one hundred thirty-one".
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