Base | Representation |
---|---|
bin | 10101011011101000… |
… | …101100111110101011 |
3 | 2012101202120120021210 |
4 | 111123220230332223 |
5 | 334112112430011 |
6 | 14323252004203 |
7 | 1443156516456 |
oct | 253350547653 |
9 | 65352516253 |
10 | 23012233131 |
11 | 9839895398 |
12 | 4562900663 |
13 | 22297832c4 |
14 | 118439449d |
15 | 8ea4296a6 |
hex | 55ba2cfab |
23012233131 has 16 divisors (see below), whose sum is σ = 31720752128. Its totient is φ = 14824101600.
The previous prime is 23012233043. The next prime is 23012233151. The reversal of 23012233131 is 13133221032.
It is not a de Polignac number, because 23012233131 - 218 = 23011970987 is a prime.
It is a super-2 number, since 2×230122331312 (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 = 23012233098 and 23012233107.
It is not an unprimeable number, because it can be changed into a prime (23012233151) 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, 125701 + ... + 248646.
It is an arithmetic number, because the mean of its divisors is an integer number (1982547008).
Almost surely, 223012233131 is an apocalyptic number.
23012233131 is a deficient number, since it is larger than the sum of its proper divisors (8708518997).
23012233131 is a wasteful number, since it uses less digits than its factorization.
23012233131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 375042.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 23012233131 its reverse (13133221032), we get a palindrome (36145454163).
The spelling of 23012233131 in words is "twenty-three billion, twelve million, two hundred thirty-three thousand, one hundred thirty-one".
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