Base | Representation |
---|---|
bin | 10101011100111100… |
… | …001111001100101000 |
3 | 2012110021210002211212 |
4 | 111130330033030220 |
5 | 334133214144430 |
6 | 14325353212252 |
7 | 1443543612401 |
oct | 253474171450 |
9 | 65407702755 |
10 | 23034131240 |
11 | 98501917aa |
12 | 456a101088 |
13 | 223117c673 |
14 | 11872549a8 |
15 | 8ec302b95 |
hex | 55cf0f328 |
23034131240 has 16 divisors (see below), whose sum is σ = 51826795380. Its totient is φ = 9213652480.
The previous prime is 23034131233. The next prime is 23034131251. The reversal of 23034131240 is 4213143032.
It can be written as a sum of positive squares in 2 ways, for example, as 21955534276 + 1078596964 = 148174^2 + 32842^2 .
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, 287926601 + ... + 287926680.
Almost surely, 223034131240 is an apocalyptic number.
23034131240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23034131240 is an abundant number, since it is smaller than the sum of its proper divisors (28792664140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23034131240 is a wasteful number, since it uses less digits than its factorization.
23034131240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 575853292 (or 575853288 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 23034131240 its reverse (4213143032), we get a palindrome (27247274272).
The spelling of 23034131240 in words is "twenty-three billion, thirty-four million, one hundred thirty-one thousand, two hundred forty".
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