Base | Representation |
---|---|
bin | 10101100001000100… |
… | …100101110111110101 |
3 | 2012122010011212001112 |
4 | 111201010211313311 |
5 | 334303434231013 |
6 | 14340310404405 |
7 | 1445344626110 |
oct | 254104456765 |
9 | 65563155045 |
10 | 23103430133 |
11 | 9886314013 |
12 | 4589360705 |
13 | 2242634024 |
14 | 1192533577 |
15 | 903440ba8 |
hex | 561125df5 |
23103430133 has 16 divisors (see below), whose sum is σ = 28068800640. Its totient is φ = 18574920000.
The previous prime is 23103430127. The next prime is 23103430169. The reversal of 23103430133 is 33103430132.
It is not a de Polignac number, because 23103430133 - 26 = 23103430069 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23103430099 and 23103430108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23103430123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846518 + ... + 873383.
It is an arithmetic number, because the mean of its divisors is an integer number (1754300040).
Almost surely, 223103430133 is an apocalyptic number.
It is an amenable number.
23103430133 is a deficient number, since it is larger than the sum of its proper divisors (4965370507).
23103430133 is a wasteful number, since it uses less digits than its factorization.
23103430133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1720028.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 23103430133 its reverse (33103430132), we get a palindrome (56206860265).
Subtracting 23103430133 from its reverse (33103430132), we obtain a palindrome (9999999999).
The spelling of 23103430133 in words is "twenty-three billion, one hundred three million, four hundred thirty thousand, one hundred thirty-three".
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