Base | Representation |
---|---|
bin | 10101101001001011… |
… | …100100101001101110 |
3 | 2012222121011210110121 |
4 | 111221023210221232 |
5 | 340043301242440 |
6 | 14402010355154 |
7 | 1451616205540 |
oct | 255113445156 |
9 | 65877153417 |
10 | 23239477870 |
11 | 9946096764 |
12 | 4606a2baba |
13 | 226488944b |
14 | 11a6629690 |
15 | 91036634a |
hex | 5692e4a6e |
23239477870 has 64 divisors (see below), whose sum is σ = 50650655616. Its totient is φ = 7494451200.
The previous prime is 23239477843. The next prime is 23239477873. The reversal of 23239477870 is 7877493232.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23239477873) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2257054 + ... + 2267326.
It is an arithmetic number, because the mean of its divisors is an integer number (791416494).
Almost surely, 223239477870 is an apocalyptic number.
23239477870 is an abundant number, since it is smaller than the sum of its proper divisors (27411177746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23239477870 is a wasteful number, since it uses less digits than its factorization.
23239477870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12205.
The product of its (nonzero) digits is 3556224, while the sum is 52.
The spelling of 23239477870 in words is "twenty-three billion, two hundred thirty-nine million, four hundred seventy-seven thousand, eight hundred seventy".
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