Base | Representation |
---|---|
bin | 10101110100000000… |
… | …111001110000101000 |
3 | 2020110021011202200102 |
4 | 111310000321300220 |
5 | 340431313330440 |
6 | 14432022124532 |
7 | 1456254112511 |
oct | 256400716050 |
9 | 66407152612 |
10 | 23421230120 |
11 | 9a29745932 |
12 | 4657880748 |
13 | 2293424a62 |
14 | 11c281ba08 |
15 | 9212b8b15 |
hex | 574039c28 |
23421230120 has 16 divisors (see below), whose sum is σ = 52697767860. Its totient is φ = 9368492032.
The previous prime is 23421230117. The next prime is 23421230207. The reversal of 23421230120 is 2103212432.
It can be written as a sum of positive squares in 2 ways, for example, as 21736784356 + 1684445764 = 147434^2 + 41042^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 23421230092 and 23421230101.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292765337 + ... + 292765416.
Almost surely, 223421230120 is an apocalyptic number.
23421230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23421230120 is an abundant number, since it is smaller than the sum of its proper divisors (29276537740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23421230120 is a wasteful number, since it uses less digits than its factorization.
23421230120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 585530764 (or 585530760 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 23421230120 its reverse (2103212432), we get a palindrome (25524442552).
The spelling of 23421230120 in words is "twenty-three billion, four hundred twenty-one million, two hundred thirty thousand, one hundred twenty".
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