Base | Representation |
---|---|
bin | 10101101000101100… |
… | …011000001000011001 |
3 | 2012222000210022201000 |
4 | 111220230120020121 |
5 | 340034203100441 |
6 | 14401115215213 |
7 | 1451456535651 |
oct | 255054301031 |
9 | 65860708630 |
10 | 23231300121 |
11 | 9941510697 |
12 | 4604147509 |
13 | 2262c85143 |
14 | 11a54db361 |
15 | 90e79d2b6 |
hex | 568b18219 |
23231300121 has 32 divisors (see below), whose sum is σ = 36196024320. Its totient is φ = 14697465552.
The previous prime is 23231300111. The next prime is 23231300123. The reversal of 23231300121 is 12100313232.
23231300121 is a `hidden beast` number, since 232 + 313 + 0 + 0 + 121 = 666.
It is not a de Polignac number, because 23231300121 - 25 = 23231300089 is a prime.
It is a super-3 number, since 3×232313001213 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 23231300094 and 23231300103.
It is not an unprimeable number, because it can be changed into a prime (23231300123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68415 + ... + 226148.
It is an arithmetic number, because the mean of its divisors is an integer number (1131125760).
Almost surely, 223231300121 is an apocalyptic number.
It is an amenable number.
23231300121 is a deficient number, since it is larger than the sum of its proper divisors (12964724199).
23231300121 is a wasteful number, since it uses less digits than its factorization.
23231300121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294722 (or 294716 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23231300121 its reverse (12100313232), we get a palindrome (35331613353).
The spelling of 23231300121 in words is "twenty-three billion, two hundred thirty-one million, three hundred thousand, one hundred twenty-one".
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