Base | Representation |
---|---|
bin | 10101011100101000… |
… | …010010011010010101 |
3 | 2012102220221102000201 |
4 | 111130220102122111 |
5 | 334130344322100 |
6 | 14325045140501 |
7 | 1443451301410 |
oct | 253450223225 |
9 | 65386842021 |
10 | 23028901525 |
11 | 984823a623 |
12 | 45683ba731 |
13 | 223006b166 |
14 | 1186692b77 |
15 | 8ebb1d36a |
hex | 55ca12695 |
23028901525 has 36 divisors (see below), whose sum is σ = 33451066336. Its totient is φ = 15405897600.
The previous prime is 23028901523. The next prime is 23028901543. The reversal of 23028901525 is 52510982032.
It is not a de Polignac number, because 23028901525 - 21 = 23028901523 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23028901523) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 255034 + ... + 333316.
Almost surely, 223028901525 is an apocalyptic number.
23028901525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23028901525 is a deficient number, since it is larger than the sum of its proper divisors (10422164811).
23028901525 is an equidigital number, since it uses as much as digits as its factorization.
23028901525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78382 (or 78336 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 37.
The spelling of 23028901525 in words is "twenty-three billion, twenty-eight million, nine hundred one thousand, five hundred twenty-five".
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