Base | Representation |
---|---|
bin | 10110100010101100… |
… | …10110000000000111 |
3 | 1011020102110222120121 |
4 | 23101112112000013 |
5 | 144241132330043 |
6 | 5320520442411 |
7 | 605622154312 |
oct | 132126260007 |
9 | 34212428517 |
10 | 12102230023 |
11 | 51504365a4 |
12 | 2419019407 |
13 | 11ab3a9370 |
14 | 82b42d979 |
15 | 4ac715ded |
hex | 2d1596007 |
12102230023 has 8 divisors (see below), whose sum is σ = 13038202800. Its totient is φ = 11166976128.
The previous prime is 12102230003. The next prime is 12102230071. The reversal of 12102230023 is 32003220121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12102230023 - 25 = 12102229991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12102229979 and 12102230006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102230003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144493 + ... + 212326.
It is an arithmetic number, because the mean of its divisors is an integer number (1629775350).
Almost surely, 212102230023 is an apocalyptic number.
12102230023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12102230023 is a deficient number, since it is larger than the sum of its proper divisors (935972777).
12102230023 is a wasteful number, since it uses less digits than its factorization.
12102230023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 359441.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 12102230023 its reverse (32003220121), we get a palindrome (44105450144).
The spelling of 12102230023 in words is "twelve billion, one hundred two million, two hundred thirty thousand, twenty-three".
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