Base | Representation |
---|---|
bin | 10110101111000100… |
… | …11000110011011001 |
3 | 1011111122211121112020 |
4 | 23113202120303121 |
5 | 144444222104041 |
6 | 5335110005053 |
7 | 611322501060 |
oct | 132742306331 |
9 | 34448747466 |
10 | 12206050521 |
11 | 51a3aa7465 |
12 | 2447946789 |
13 | 11c6a59b02 |
14 | 83b1371d7 |
15 | 4b68c2866 |
hex | 2d7898cd9 |
12206050521 has 16 divisors (see below), whose sum is σ = 18602732928. Its totient is φ = 6973747200.
The previous prime is 12206050489. The next prime is 12206050523. The reversal of 12206050521 is 12505060221.
It is a happy number.
It is not a de Polignac number, because 12206050521 - 25 = 12206050489 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12206050491 and 12206050500.
It is not an unprimeable number, because it can be changed into a prime (12206050523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94041 + ... + 182361.
It is an arithmetic number, because the mean of its divisors is an integer number (1162670808).
Almost surely, 212206050521 is an apocalyptic number.
It is an amenable number.
12206050521 is a deficient number, since it is larger than the sum of its proper divisors (6396682407).
12206050521 is an equidigital number, since it uses as much as digits as its factorization.
12206050521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94912.
The product of its (nonzero) digits is 1200, while the sum is 24.
The spelling of 12206050521 in words is "twelve billion, two hundred six million, fifty thousand, five hundred twenty-one".
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