Base | Representation |
---|---|
bin | 10101101101100001… |
… | …111101001010101000 |
3 | 2020011200111101022210 |
4 | 111231201331022220 |
5 | 340220442014222 |
6 | 14413134445120 |
7 | 1453463410050 |
oct | 255541751250 |
9 | 66150441283 |
10 | 23312454312 |
11 | 99832aaa74 |
12 | 46273637a0 |
13 | 2276a2a984 |
14 | 11b21c4560 |
15 | 91697dd0c |
hex | 56d87d2a8 |
23312454312 has 32 divisors (see below), whose sum is σ = 66607012800. Its totient is φ = 6660701184.
The previous prime is 23312454311. The next prime is 23312454329. The reversal of 23312454312 is 21345421332.
It is a self number, because there is not a number n which added to its sum of digits gives 23312454312.
It is not an unprimeable number, because it can be changed into a prime (23312454311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69382137 + ... + 69382472.
It is an arithmetic number, because the mean of its divisors is an integer number (2081469150).
Almost surely, 223312454312 is an apocalyptic number.
It is an amenable number.
23312454312 is an abundant number, since it is smaller than the sum of its proper divisors (43294558488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23312454312 is a wasteful number, since it uses less digits than its factorization.
23312454312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138764625 (or 138764621 counting only the distinct ones).
The product of its digits is 17280, while the sum is 30.
Adding to 23312454312 its reverse (21345421332), we get a palindrome (44657875644).
The spelling of 23312454312 in words is "twenty-three billion, three hundred twelve million, four hundred fifty-four thousand, three hundred twelve".
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