Base | Representation |
---|---|
bin | 10110111010101001… |
… | …00110110110001001 |
3 | 1011202102110022012022 |
4 | 23131110212312021 |
5 | 200144043220241 |
6 | 5352454054225 |
7 | 613611431030 |
oct | 133524466611 |
9 | 34672408168 |
10 | 12303101321 |
11 | 5243864135 |
12 | 247434a375 |
13 | 1210baa114 |
14 | 849d9b717 |
15 | 4c019354b |
hex | 2dd526d89 |
12303101321 has 4 divisors (see below), whose sum is σ = 14060687232. Its totient is φ = 10545515412.
The previous prime is 12303101309. The next prime is 12303101359. The reversal of 12303101321 is 12310130321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12303101321 - 222 = 12298907017 is a prime.
It is a super-2 number, since 2×123031013212 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12303101321.
It is not an unprimeable number, because it can be changed into a prime (12303101381) 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, 878792945 + ... + 878792958.
It is an arithmetic number, because the mean of its divisors is an integer number (3515171808).
Almost surely, 212303101321 is an apocalyptic number.
It is an amenable number.
12303101321 is a deficient number, since it is larger than the sum of its proper divisors (1757585911).
12303101321 is an equidigital number, since it uses as much as digits as its factorization.
12303101321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1757585910.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 12303101321 its reverse (12310130321), we get a palindrome (24613231642).
The spelling of 12303101321 in words is "twelve billion, three hundred three million, one hundred one thousand, three hundred twenty-one".
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