Base | Representation |
---|---|
bin | 10101011010111101… |
… | …001101010100110000 |
3 | 2012100222010021220000 |
4 | 111122331031110300 |
5 | 334101203100110 |
6 | 14322203350000 |
7 | 1442660561100 |
oct | 253275152460 |
9 | 65328107800 |
10 | 23000831280 |
11 | 9833407a79 |
12 | 455ab22300 |
13 | 22272c064b |
14 | 1182a67200 |
15 | 8e94261c0 |
hex | 55af4d530 |
23000831280 has 600 divisors, whose sum is σ = 93934822608. Its totient is φ = 5200505856.
The previous prime is 23000831257. The next prime is 23000831291. The reversal of 23000831280 is 8213800032.
23000831280 is a `hidden beast` number, since 2 + 300 + 0 + 83 + 1 + 280 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 33974302 + ... + 33974978.
Almost surely, 223000831280 is an apocalyptic number.
23000831280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23000831280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46967411304).
23000831280 is an abundant number, since it is smaller than the sum of its proper divisors (70933991328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23000831280 is a wasteful number, since it uses less digits than its factorization.
23000831280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 823 (or 801 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The spelling of 23000831280 in words is "twenty-three billion, eight hundred thirty-one thousand, two hundred eighty".
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