Base | Representation |
---|---|
bin | 10101100001100101… |
… | …110000001101000001 |
3 | 2012122201112111201000 |
4 | 111201211300031001 |
5 | 334313200420301 |
6 | 14341221002213 |
7 | 1445511543246 |
oct | 254145601501 |
9 | 65581474630 |
10 | 23112123201 |
11 | 9890211272 |
12 | 4590253369 |
13 | 2244388a5b |
14 | 11937575cd |
15 | 9040ab786 |
hex | 561970341 |
23112123201 has 16 divisors (see below), whose sum is σ = 34305923520. Its totient is φ = 15378498720.
The previous prime is 23112123193. The next prime is 23112123239. The reversal of 23112123201 is 10232121132.
It is not a de Polignac number, because 23112123201 - 23 = 23112123193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23112124201) 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, 807435 + ... + 835568.
It is an arithmetic number, because the mean of its divisors is an integer number (2144120220).
Almost surely, 223112123201 is an apocalyptic number.
It is an amenable number.
23112123201 is a deficient number, since it is larger than the sum of its proper divisors (11193800319).
23112123201 is a wasteful number, since it uses less digits than its factorization.
23112123201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1643533 (or 1643527 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 23112123201 its reverse (10232121132), we get a palindrome (33344244333).
The spelling of 23112123201 in words is "twenty-three billion, one hundred twelve million, one hundred twenty-three thousand, two hundred one".
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