Base | Representation |
---|---|
bin | 10101011110001000… |
… | …110111110000110100 |
3 | 2012111200120201220121 |
4 | 111132020313300310 |
5 | 334203340022330 |
6 | 14331351541324 |
7 | 1444206432244 |
oct | 253610676064 |
9 | 65450521817 |
10 | 23054220340 |
11 | 9860562a68 |
12 | 457498a844 |
13 | 22353944c8 |
14 | 1189ba3b24 |
15 | 8ede7017a |
hex | 55e237c34 |
23054220340 has 12 divisors (see below), whose sum is σ = 48413862756. Its totient is φ = 9221688128.
The previous prime is 23054220331. The next prime is 23054220341. The reversal of 23054220340 is 4302245032.
It can be written as a sum of positive squares in 2 ways, for example, as 15520674724 + 7533545616 = 124582^2 + 86796^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23054220341) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576355489 + ... + 576355528.
It is an arithmetic number, because the mean of its divisors is an integer number (4034488563).
Almost surely, 223054220340 is an apocalyptic number.
23054220340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23054220340 is an abundant number, since it is smaller than the sum of its proper divisors (25359642416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23054220340 is a wasteful number, since it uses less digits than its factorization.
23054220340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1152711026 (or 1152711024 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 25.
Adding to 23054220340 its reverse (4302245032), we get a palindrome (27356465372).
The spelling of 23054220340 in words is "twenty-three billion, fifty-four million, two hundred twenty thousand, three hundred forty".
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