Base | Representation |
---|---|
bin | 10101011101010101… |
… | …010100101101010001 |
3 | 2012110202011012122200 |
4 | 111131111110231101 |
5 | 334141410114114 |
6 | 14330150153413 |
7 | 1443653532036 |
oct | 253525245521 |
9 | 65422135580 |
10 | 23040707409 |
11 | 9853973555 |
12 | 4570352869 |
13 | 22326429a5 |
14 | 118808738d |
15 | 8ecba1409 |
hex | 55d554b51 |
23040707409 has 24 divisors (see below), whose sum is σ = 35051577600. Its totient is φ = 14544165600.
The previous prime is 23040707407. The next prime is 23040707413. The reversal of 23040707409 is 90470704032.
It is not a de Polignac number, because 23040707409 - 21 = 23040707407 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23040707407) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289632 + ... + 360510.
It is an arithmetic number, because the mean of its divisors is an integer number (1460482400).
Almost surely, 223040707409 is an apocalyptic number.
It is an amenable number.
23040707409 is a deficient number, since it is larger than the sum of its proper divisors (12010870191).
23040707409 is a wasteful number, since it uses less digits than its factorization.
23040707409 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72805 (or 72802 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The spelling of 23040707409 in words is "twenty-three billion, forty million, seven hundred seven thousand, four hundred nine".
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