Base | Representation |
---|---|
bin | 1010100001001101000100… |
… | …10000100001101000011010 |
3 | 10000220022110121021022222101 |
4 | 11100212202100201220122 |
5 | 11012440014002130020 |
6 | 121110142414314014 |
7 | 4605111513342655 |
oct | 520464220415032 |
9 | 100808417238871 |
10 | 23131121130010 |
11 | 740894293a473 |
12 | 2716b717b890a |
13 | cba3420569aa |
14 | 59d7a349c89c |
15 | 2a1a60a9a00a |
hex | 1509a2421a1a |
23131121130010 has 8 divisors (see below), whose sum is σ = 41636018034036. Its totient is φ = 9252448452000.
The previous prime is 23131121129981. The next prime is 23131121130011. The reversal of 23131121130010 is 1003112113132.
It can be written as a sum of positive squares in 2 ways, for example, as 22165160424121 + 965960705889 = 4707989^2 + 982833^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×231311211300103 (a number of 41 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23131121130010.
It is not an unprimeable number, because it can be changed into a prime (23131121130011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156556056491 + ... + 1156556056510.
Almost surely, 223131121130010 is an apocalyptic number.
23131121130010 is a deficient number, since it is larger than the sum of its proper divisors (18504896904026).
23131121130010 is a wasteful number, since it uses less digits than its factorization.
23131121130010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2313112113008.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 23131121130010 its reverse (1003112113132), we get a palindrome (24134233243142).
The spelling of 23131121130010 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred twenty-one million, one hundred thirty thousand, ten".
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