Base | Representation |
---|---|
bin | 10101100010000101… |
… | …000100100101001011 |
3 | 2012200021222121121111 |
4 | 111202011010211023 |
5 | 334322301130011 |
6 | 14342112551151 |
7 | 1445641406020 |
oct | 254205044513 |
9 | 65607877544 |
10 | 23120333131 |
11 | 9894909535 |
12 | 4592b524b7 |
13 | 2245ca18bc |
14 | 1194893547 |
15 | 904b7e121 |
hex | 56214494b |
23120333131 has 16 divisors (see below), whose sum is σ = 26582266368. Its totient is φ = 19698480000.
The previous prime is 23120333123. The next prime is 23120333147. The reversal of 23120333131 is 13133302132.
It is not a de Polignac number, because 23120333131 - 23 = 23120333123 is a prime.
It is a super-2 number, since 2×231203331312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23120333101) 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, 870691 + ... + 896851.
It is an arithmetic number, because the mean of its divisors is an integer number (1661391648).
Almost surely, 223120333131 is an apocalyptic number.
23120333131 is a deficient number, since it is larger than the sum of its proper divisors (3461933237).
23120333131 is a wasteful number, since it uses less digits than its factorization.
23120333131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26922.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 23120333131 its reverse (13133302132), we get a palindrome (36253635263).
The spelling of 23120333131 in words is "twenty-three billion, one hundred twenty million, three hundred thirty-three thousand, one hundred thirty-one".
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