Base | Representation |
---|---|
bin | 10101100000111111… |
… | …100100110011100000 |
3 | 2012122000201001002101 |
4 | 111200333210303200 |
5 | 334303120140130 |
6 | 14340222300144 |
7 | 1445330511034 |
oct | 254077446340 |
9 | 65560631071 |
10 | 23102115040 |
11 | 98855a5a64 |
12 | 4588a27654 |
13 | 2242293574 |
14 | 11922b01c4 |
15 | 9032811ca |
hex | 560fe4ce0 |
23102115040 has 24 divisors (see below), whose sum is σ = 54578747160. Its totient is φ = 9240845952.
The previous prime is 23102114977. The next prime is 23102115041. The reversal of 23102115040 is 4051120132.
It is a junction number, because it is equal to n+sod(n) for n = 23102114999 and 23102115017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23102115041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72193950 + ... + 72194269.
It is an arithmetic number, because the mean of its divisors is an integer number (2274114465).
Almost surely, 223102115040 is an apocalyptic number.
23102115040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23102115040 is an abundant number, since it is smaller than the sum of its proper divisors (31476632120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23102115040 is a wasteful number, since it uses less digits than its factorization.
23102115040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144388234 (or 144388226 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 19.
Adding to 23102115040 its reverse (4051120132), we get a palindrome (27153235172).
The spelling of 23102115040 in words is "twenty-three billion, one hundred two million, one hundred fifteen thousand, forty".
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