Base | Representation |
---|---|
bin | 10111001000111001… |
… | …11111000101001111 |
3 | 1012001202120111012212 |
4 | 23210130333011033 |
5 | 200420210111010 |
6 | 5412410221035 |
7 | 616563350534 |
oct | 134434770517 |
9 | 35052514185 |
10 | 12422738255 |
11 | 52a5348134 |
12 | 24a842477b |
13 | 122c9079c5 |
14 | 85bc20d8b |
15 | 4ca926505 |
hex | 2e473f14f |
12422738255 has 4 divisors (see below), whose sum is σ = 14907285912. Its totient is φ = 9938190600.
The previous prime is 12422738203. The next prime is 12422738257. The reversal of 12422738255 is 55283722421.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 12422738255 - 224 = 12405961039 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 (12422738257) 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, 1242273821 + ... + 1242273830.
It is an arithmetic number, because the mean of its divisors is an integer number (3726821478).
Almost surely, 212422738255 is an apocalyptic number.
12422738255 is a deficient number, since it is larger than the sum of its proper divisors (2484547657).
12422738255 is an equidigital number, since it uses as much as digits as its factorization.
12422738255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2484547656.
The product of its digits is 268800, while the sum is 41.
The spelling of 12422738255 in words is "twelve billion, four hundred twenty-two million, seven hundred thirty-eight thousand, two hundred fifty-five".
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