Base | Representation |
---|---|
bin | 10110110010000011… |
… | …11101110001000111 |
3 | 1011120101222112122101 |
4 | 23121001331301013 |
5 | 200022130334412 |
6 | 5341403012531 |
7 | 612045453010 |
oct | 133101756107 |
9 | 34511875571 |
10 | 12231105607 |
11 | 520715a746 |
12 | 245420a147 |
13 | 11cbcc00c6 |
14 | 8405ba007 |
15 | 4b8bc1457 |
hex | 2d907dc47 |
12231105607 has 4 divisors (see below), whose sum is σ = 13978406416. Its totient is φ = 10483804800.
The previous prime is 12231105599. The next prime is 12231105637. The reversal of 12231105607 is 70650113221.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 12231105607 - 23 = 12231105599 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12231105637) 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, 873650394 + ... + 873650407.
It is an arithmetic number, because the mean of its divisors is an integer number (3494601604).
Almost surely, 212231105607 is an apocalyptic number.
12231105607 is a deficient number, since it is larger than the sum of its proper divisors (1747300809).
12231105607 is an equidigital number, since it uses as much as digits as its factorization.
12231105607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1747300808.
The product of its (nonzero) digits is 2520, while the sum is 28.
Adding to 12231105607 its reverse (70650113221), we get a palindrome (82881218828).
The spelling of 12231105607 in words is "twelve billion, two hundred thirty-one million, one hundred five thousand, six hundred seven".
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