Base | Representation |
---|---|
bin | 10110110001011011… |
… | …11001001100111111 |
3 | 1011120001002020010012 |
4 | 23120231321030333 |
5 | 200014304002111 |
6 | 5341054133435 |
7 | 611652650102 |
oct | 133055711477 |
9 | 34501066105 |
10 | 12225844031 |
11 | 5204196635 |
12 | 24524b127b |
13 | 11cab9a24b |
14 | 83da0a739 |
15 | 4b84d248b |
hex | 2d8b7933f |
12225844031 has 4 divisors (see below), whose sum is σ = 12226604712. Its totient is φ = 12225083352.
The previous prime is 12225844021. The next prime is 12225844093. The reversal of 12225844031 is 13044852221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13044852221 = 541 ⋅24112481.
It is a cyclic number.
It is not a de Polignac number, because 12225844031 - 26 = 12225843967 is a prime.
It is a super-2 number, since 2×122258440312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12225844021) 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, 355700 + ... + 388553.
It is an arithmetic number, because the mean of its divisors is an integer number (3056651178).
Almost surely, 212225844031 is an apocalyptic number.
12225844031 is a deficient number, since it is larger than the sum of its proper divisors (760681).
12225844031 is an equidigital number, since it uses as much as digits as its factorization.
12225844031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 760680.
The product of its (nonzero) digits is 15360, while the sum is 32.
The spelling of 12225844031 in words is "twelve billion, two hundred twenty-five million, eight hundred forty-four thousand, thirty-one".
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