Base | Representation |
---|---|
bin | 10101100010101101… |
… | …100110001111001100 |
3 | 2012201000222100110210 |
4 | 111202231212033030 |
5 | 334333011103443 |
6 | 14343132402420 |
7 | 1446130613454 |
oct | 254255461714 |
9 | 65630870423 |
10 | 23130956748 |
11 | 989a905189 |
12 | 4596616410 |
13 | 2248251273 |
14 | 119605ad64 |
15 | 905a7bc33 |
hex | 562b663cc |
23130956748 has 24 divisors (see below), whose sum is σ = 53996400640. Its totient is φ = 7706866320.
The previous prime is 23130956707. The next prime is 23130956749. The reversal of 23130956748 is 84765903132.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 23130956697 and 23130956706.
It is not an unprimeable number, because it can be changed into a prime (23130956749) 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, 403588 + ... + 457323.
It is a 1-persistent number, because it is pandigital, but 2⋅23130956748 = 46261913496 is not.
Almost surely, 223130956748 is an apocalyptic number.
It is an amenable number.
23130956748 is an abundant number, since it is smaller than the sum of its proper divisors (30865443892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23130956748 is a wasteful number, since it uses less digits than its factorization.
23130956748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 863157 (or 863155 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 48.
The spelling of 23130956748 in words is "twenty-three billion, one hundred thirty million, nine hundred fifty-six thousand, seven hundred forty-eight".
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