Base | Representation |
---|---|
bin | 1010100000111010110001… |
… | …11100001000010111110110 |
3 | 10000212101010020011202011010 |
4 | 11100131120330020113312 |
5 | 11012304411041043220 |
6 | 121101440141253050 |
7 | 4604313252513522 |
oct | 520353074102766 |
9 | 100771106152133 |
10 | 23121301112310 |
11 | 7404763785865 |
12 | 2715090b64186 |
13 | cb943873532b |
14 | 59d1111cad82 |
15 | 2a16888e01e0 |
hex | 150758f085f6 |
23121301112310 has 32 divisors (see below), whose sum is σ = 55491535144800. Its totient is φ = 6165634466048.
The previous prime is 23121301112297. The next prime is 23121301112317. The reversal of 23121301112310 is 1321110312132.
It is a super-5 number, since 5×231213011123105 (a number of 68 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23121301112317) 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, 1339984 + ... + 6930956.
It is an arithmetic number, because the mean of its divisors is an integer number (1734110473275).
Almost surely, 223121301112310 is an apocalyptic number.
23121301112310 is an abundant number, since it is smaller than the sum of its proper divisors (32370234032490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23121301112310 is a wasteful number, since it uses less digits than its factorization.
23121301112310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5728832.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 23121301112310 its reverse (1321110312132), we get a palindrome (24442411424442).
The spelling of 23121301112310 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred one million, one hundred twelve thousand, three hundred ten".
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