Base | Representation |
---|---|
bin | 111001010101000011… |
… | …1001101100000001001 |
3 | 102202202222000112200101 |
4 | 1302222013031200021 |
5 | 4004113423220241 |
6 | 132320221005401 |
7 | 11615600044360 |
oct | 1625207154011 |
9 | 382688015611 |
10 | 123113101321 |
11 | 48237155231 |
12 | 1ba3a3b3861 |
13 | b7c014b762 |
14 | 5d5c9907d7 |
15 | 330843ae31 |
hex | 1caa1cd809 |
123113101321 has 8 divisors (see below), whose sum is σ = 140859319680. Its totient is φ = 105406541088.
The previous prime is 123113101313. The next prime is 123113101333. The reversal of 123113101321 is 123101311321.
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 123113101321 - 23 = 123113101313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123113101421) 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, 9907876 + ... + 9920293.
It is an arithmetic number, because the mean of its divisors is an integer number (17607414960).
Almost surely, 2123113101321 is an apocalyptic number.
It is an amenable number.
123113101321 is a deficient number, since it is larger than the sum of its proper divisors (17746218359).
123113101321 is an equidigital number, since it uses as much as digits as its factorization.
123113101321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19829063.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 123113101321 its reverse (123101311321), we get a palindrome (246214412642).
The spelling of 123113101321 in words is "one hundred twenty-three billion, one hundred thirteen million, one hundred one thousand, three hundred twenty-one".
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