Base | Representation |
---|---|
bin | 1010100000111110001000… |
… | …01011000111110011000111 |
3 | 10000212112202121111002022020 |
4 | 11100133010023013303013 |
5 | 11012322102123013411 |
6 | 121102334450134223 |
7 | 4604405656526466 |
oct | 520370413076307 |
9 | 100775677432266 |
10 | 23123100204231 |
11 | 74054a727a195 |
12 | 27154b3581373 |
13 | cb9664397c71 |
14 | 59d2421089dd |
15 | 2a1741819606 |
hex | 1507c42c7cc7 |
23123100204231 has 16 divisors (see below), whose sum is σ = 31841263104000. Its totient is φ = 14910666248160.
The previous prime is 23123100204229. The next prime is 23123100204251. The reversal of 23123100204231 is 13240200132132.
It is not a de Polignac number, because 23123100204231 - 21 = 23123100204229 is a prime.
It is a super-2 number, since 2×231231002042312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23123100204251) 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, 62004060 + ... + 62375873.
It is an arithmetic number, because the mean of its divisors is an integer number (1990078944000).
Almost surely, 223123100204231 is an apocalyptic number.
23123100204231 is a deficient number, since it is larger than the sum of its proper divisors (8718162899769).
23123100204231 is a wasteful number, since it uses less digits than its factorization.
23123100204231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124381966.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 23123100204231 its reverse (13240200132132), we get a palindrome (36363300336363).
The spelling of 23123100204231 in words is "twenty-three trillion, one hundred twenty-three billion, one hundred million, two hundred four thousand, two hundred thirty-one".
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