Base | Representation |
---|---|
bin | 10101111011011010… |
… | …000000101001100100 |
3 | 2020202220112202100010 |
4 | 111323122000221210 |
5 | 341210041034302 |
6 | 14452212250220 |
7 | 1462321225611 |
oct | 257332005144 |
9 | 66686482303 |
10 | 23545252452 |
11 | 9a92754727 |
12 | 4691310970 |
13 | 22b3029757 |
14 | 11d50a3508 |
15 | 92c11616c |
hex | 57b680a64 |
23545252452 has 48 divisors (see below), whose sum is σ = 55531607040. Its totient is φ = 7763911968.
The previous prime is 23545252427. The next prime is 23545252459. The reversal of 23545252452 is 25425254532.
It is a self number, because there is not a number n which added to its sum of digits gives 23545252452.
It is not an unprimeable number, because it can be changed into a prime (23545252459) 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, 1205299 + ... + 1224677.
It is an arithmetic number, because the mean of its divisors is an integer number (1156908480).
Almost surely, 223545252452 is an apocalyptic number.
It is an amenable number.
23545252452 is an abundant number, since it is smaller than the sum of its proper divisors (31986354588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23545252452 is a wasteful number, since it uses less digits than its factorization.
23545252452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20472 (or 20470 counting only the distinct ones).
The product of its digits is 480000, while the sum is 39.
The spelling of 23545252452 in words is "twenty-three billion, five hundred forty-five million, two hundred fifty-two thousand, four hundred fifty-two".
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