Base | Representation |
---|---|
bin | 10101110011000101… |
… | …011111010111001100 |
3 | 2020102011212111022122 |
4 | 111303011133113030 |
5 | 340413321434000 |
6 | 14430304232112 |
7 | 1456004534453 |
oct | 256305372714 |
9 | 66364774278 |
10 | 23405655500 |
11 | 9a20978447 |
12 | 465260b638 |
13 | 22901309c6 |
14 | 11c0725b9a |
15 | 91ec3e085 |
hex | 57315f5cc |
23405655500 has 48 divisors (see below), whose sum is σ = 51520594944. Its totient is φ = 9288518400.
The previous prime is 23405655499. The next prime is 23405655521. The reversal of 23405655500 is 555650432.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120797 + ... + 247796.
It is an arithmetic number, because the mean of its divisors is an integer number (1073345728).
Almost surely, 223405655500 is an apocalyptic number.
23405655500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23405655500 is an abundant number, since it is smaller than the sum of its proper divisors (28114939444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23405655500 is a wasteful number, since it uses less digits than its factorization.
23405655500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368739 (or 368727 counting only the distinct ones).
The product of its (nonzero) digits is 90000, while the sum is 35.
The spelling of 23405655500 in words is "twenty-three billion, four hundred five million, six hundred fifty-five thousand, five hundred".
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