Base | Representation |
---|---|
bin | 10101110100010011… |
… | …000001000100111000 |
3 | 2020110121010000111000 |
4 | 111310103001010320 |
5 | 340434022304210 |
6 | 14432312005000 |
7 | 1456342350636 |
oct | 256423010470 |
9 | 66417100430 |
10 | 23425978680 |
11 | 9a31399565 |
12 | 4659390760 |
13 | 22943c8260 |
14 | 11c32d6356 |
15 | 921905ac0 |
hex | 5744c1138 |
23425978680 has 128 divisors (see below), whose sum is σ = 84093307200. Its totient is φ = 5766391296.
The previous prime is 23425978679. The next prime is 23425978687. The reversal of 23425978680 is 8687952432.
23425978680 is a `hidden beast` number, since 2 + 3 + 42 + 597 + 8 + 6 + 8 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23425978687) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 820219 + ... + 848298.
Almost surely, 223425978680 is an apocalyptic number.
23425978680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23425978680 is an abundant number, since it is smaller than the sum of its proper divisors (60667328520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23425978680 is a wasteful number, since it uses less digits than its factorization.
23425978680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1668550 (or 1668540 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 54.
The spelling of 23425978680 in words is "twenty-three billion, four hundred twenty-five million, nine hundred seventy-eight thousand, six hundred eighty".
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