Base | Representation |
---|---|
bin | 10101100011011110… |
… | …101011111100111100 |
3 | 2012201221012010200120 |
4 | 111203132223330330 |
5 | 334344304401322 |
6 | 14344312254540 |
7 | 1446345161034 |
oct | 254336537474 |
9 | 65657163616 |
10 | 23143825212 |
11 | 98a70a4482 |
12 | 459a9a1450 |
13 | 224ab08641 |
14 | 1197a4a8c4 |
15 | 906c6ea5c |
hex | 5637abf3c |
23143825212 has 12 divisors (see below), whose sum is σ = 54002258856. Its totient is φ = 7714608400.
The previous prime is 23143825207. The next prime is 23143825213. The reversal of 23143825212 is 21252834132.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23143825213) 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, 964326039 + ... + 964326062.
It is an arithmetic number, because the mean of its divisors is an integer number (4500188238).
Almost surely, 223143825212 is an apocalyptic number.
It is an amenable number.
23143825212 is an abundant number, since it is smaller than the sum of its proper divisors (30858433644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23143825212 is a wasteful number, since it uses less digits than its factorization.
23143825212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1928652108 (or 1928652106 counting only the distinct ones).
The product of its digits is 23040, while the sum is 33.
The spelling of 23143825212 in words is "twenty-three billion, one hundred forty-three million, eight hundred twenty-five thousand, two hundred twelve".
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