Base | Representation |
---|---|
bin | 10111011110111000… |
… | …11000110111110010 |
3 | 1012112121112121200022 |
4 | 23233130120313302 |
5 | 201304411143442 |
6 | 5442554323442 |
7 | 624262563215 |
oct | 135734306762 |
9 | 35477477608 |
10 | 12607131122 |
11 | 538a440233 |
12 | 253a129582 |
13 | 125bb89201 |
14 | 8784dd77c |
15 | 4dbbeb3d2 |
hex | 2ef718df2 |
12607131122 has 4 divisors (see below), whose sum is σ = 18910696686. Its totient is φ = 6303565560.
The previous prime is 12607131071. The next prime is 12607131127. The reversal of 12607131122 is 22113170621.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22113170621 = 6337 ⋅3489533.
It can be written as a sum of positive squares in only one way, i.e., 12454336801 + 152794321 = 111599^2 + 12361^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12607131091 and 12607131100.
It is not an unprimeable number, because it can be changed into a prime (12607131127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151782779 + ... + 3151782782.
Almost surely, 212607131122 is an apocalyptic number.
12607131122 is a deficient number, since it is larger than the sum of its proper divisors (6303565564).
12607131122 is an equidigital number, since it uses as much as digits as its factorization.
12607131122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6303565563.
The product of its (nonzero) digits is 1008, while the sum is 26.
The spelling of 12607131122 in words is "twelve billion, six hundred seven million, one hundred thirty-one thousand, one hundred twenty-two".
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