Base | Representation |
---|---|
bin | 10101101100001000… |
… | …011111011000101000 |
3 | 2020010001100212010120 |
4 | 111230020133120220 |
5 | 340143441022022 |
6 | 14410540043240 |
7 | 1453060150410 |
oct | 255410373050 |
9 | 66101325116 |
10 | 23289001512 |
11 | 9971041597 |
12 | 461b533520 |
13 | 2271c08a8a |
14 | 11ad03b640 |
15 | 914899d5c |
hex | 56c21f628 |
23289001512 has 64 divisors (see below), whose sum is σ = 66685825920. Its totient is φ = 6639418368.
The previous prime is 23289001469. The next prime is 23289001513. The reversal of 23289001512 is 21510098232.
It is a happy number.
It is a super-2 number, since 2×232890015122 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23289001513) 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, 74893 + ... + 228444.
It is an arithmetic number, because the mean of its divisors is an integer number (1041966030).
Almost surely, 223289001512 is an apocalyptic number.
It is an amenable number.
23289001512 is an abundant number, since it is smaller than the sum of its proper divisors (43396824408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23289001512 is a wasteful number, since it uses less digits than its factorization.
23289001512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303810 (or 303806 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
Adding to 23289001512 its reverse (21510098232), we get a palindrome (44799099744).
The spelling of 23289001512 in words is "twenty-three billion, two hundred eighty-nine million, one thousand, five hundred twelve".
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