Base | Representation |
---|---|
bin | 10101100010110110… |
… | …100111111101111011 |
3 | 2012201012102120112121 |
4 | 111202312213331323 |
5 | 334334112320011 |
6 | 14343255222111 |
7 | 1446160000522 |
oct | 254266477573 |
9 | 65635376477 |
10 | 23133323131 |
11 | 98a1181076 |
12 | 4597377937 |
13 | 224889c3a9 |
14 | 11964b54b9 |
15 | 905d97e71 |
hex | 562da7f7b |
23133323131 has 16 divisors (see below), whose sum is σ = 23595606720. Its totient is φ = 22676290560.
The previous prime is 23133323123. The next prime is 23133323141. The reversal of 23133323131 is 13132333132.
It is a cyclic number.
It is not a de Polignac number, because 23133323131 - 23 = 23133323123 is a prime.
It is a super-2 number, since 2×231333231312 (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 = 23133323096 and 23133323105.
It is not an unprimeable number, because it can be changed into a prime (23133323141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6255475 + ... + 6259171.
It is an arithmetic number, because the mean of its divisors is an integer number (1474725420).
Almost surely, 223133323131 is an apocalyptic number.
23133323131 is a deficient number, since it is larger than the sum of its proper divisors (462283589).
23133323131 is a wasteful number, since it uses less digits than its factorization.
23133323131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4374.
The product of its digits is 2916, while the sum is 25.
Adding to 23133323131 its reverse (13132333132), we get a palindrome (36265656263).
The spelling of 23133323131 in words is "twenty-three billion, one hundred thirty-three million, three hundred twenty-three thousand, one hundred thirty-one".
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