Base | Representation |
---|---|
bin | 10101111010010000… |
… | …000100111100011001 |
3 | 2020201120002002111211 |
4 | 111322100010330121 |
5 | 341140110341020 |
6 | 14450241023121 |
7 | 1461664415212 |
oct | 257220047431 |
9 | 66646062454 |
10 | 23525871385 |
11 | 9a82817415 |
12 | 4686924aa1 |
13 | 22ac001c73 |
14 | 11d269a409 |
15 | 92a58885a |
hex | 57a404f19 |
23525871385 has 16 divisors (see below), whose sum is σ = 28872576000. Its totient is φ = 18394145856.
The previous prime is 23525871373. The next prime is 23525871389. The reversal of 23525871385 is 58317852532.
It is a cyclic number.
It is not a de Polignac number, because 23525871385 - 211 = 23525869337 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23525871389) 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, 96016 + ... + 237214.
It is an arithmetic number, because the mean of its divisors is an integer number (1804536000).
Almost surely, 223525871385 is an apocalyptic number.
It is an amenable number.
23525871385 is a deficient number, since it is larger than the sum of its proper divisors (5346704615).
23525871385 is a wasteful number, since it uses less digits than its factorization.
23525871385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141960.
The product of its digits is 2016000, while the sum is 49.
The spelling of 23525871385 in words is "twenty-three billion, five hundred twenty-five million, eight hundred seventy-one thousand, three hundred eighty-five".
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