Base | Representation |
---|---|
bin | 10110111010100010… |
… | …01110000000000011 |
3 | 1011202100210011211002 |
4 | 23131101032000003 |
5 | 200143331304443 |
6 | 5352423042215 |
7 | 613601041364 |
oct | 133521160003 |
9 | 34670704732 |
10 | 12302213123 |
11 | 5243307892 |
12 | 2473ba036b |
13 | 1210958a65 |
14 | 849c09b6b |
15 | 4c006a2b8 |
hex | 2dd44e003 |
12302213123 has 4 divisors (see below), whose sum is σ = 12302681328. Its totient is φ = 12301744920.
The previous prime is 12302213101. The next prime is 12302213167. The reversal of 12302213123 is 32131220321.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12302213123 - 26 = 12302213059 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12302213095 and 12302213104.
It is not an unprimeable number, because it can be changed into a prime (12302213923) 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, 192188 + ... + 248073.
It is an arithmetic number, because the mean of its divisors is an integer number (3075670332).
Almost surely, 212302213123 is an apocalyptic number.
12302213123 is a deficient number, since it is larger than the sum of its proper divisors (468205).
12302213123 is an equidigital number, since it uses as much as digits as its factorization.
12302213123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 468204.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 12302213123 its reverse (32131220321), we get a palindrome (44433433444).
The spelling of 12302213123 in words is "twelve billion, three hundred two million, two hundred thirteen thousand, one hundred twenty-three".
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