Base | Representation |
---|---|
bin | 10101111010110001… |
… | …010011011000101010 |
3 | 2020202011110121020220 |
4 | 111322301103120222 |
5 | 341144323100130 |
6 | 14451151430510 |
7 | 1462131432423 |
oct | 257261233052 |
9 | 66664417226 |
10 | 23534581290 |
11 | 9a87726290 |
12 | 4689825436 |
13 | 22b0a6155c |
14 | 11d38c664a |
15 | 92b209410 |
hex | 57ac5362a |
23534581290 has 64 divisors (see below), whose sum is σ = 62031484800. Its totient is φ = 5667050240.
The previous prime is 23534581289. The next prime is 23534581313. The reversal of 23534581290 is 9218543532.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190149 + ... + 288488.
It is an arithmetic number, because the mean of its divisors is an integer number (969241950).
Almost surely, 223534581290 is an apocalyptic number.
23534581290 is an abundant number, since it is smaller than the sum of its proper divisors (38496903510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23534581290 is a wasteful number, since it uses less digits than its factorization.
23534581290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 478807.
The product of its (nonzero) digits is 259200, while the sum is 42.
The spelling of 23534581290 in words is "twenty-three billion, five hundred thirty-four million, five hundred eighty-one thousand, two hundred ninety".
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