Base | Representation |
---|---|
bin | 10110100111000111… |
… | …10100001000111111 |
3 | 1011100000021010122222 |
4 | 23103203310020333 |
5 | 144330131101100 |
6 | 5324323355555 |
7 | 606552324116 |
oct | 132343641077 |
9 | 34300233588 |
10 | 12139315775 |
11 | 516a366684 |
12 | 2429522bbb |
13 | 11b5c925b2 |
14 | 832324c7d |
15 | 4b0ade485 |
hex | 2d38f423f |
12139315775 has 12 divisors (see below), whose sum is σ = 15243295200. Its totient is φ = 9588521280.
The previous prime is 12139315759. The next prime is 12139315777. The reversal of 12139315775 is 57751393121.
It is not a de Polignac number, because 12139315775 - 24 = 12139315759 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12139315777) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3071270 + ... + 3075219.
It is an arithmetic number, because the mean of its divisors is an integer number (1270274600).
Almost surely, 212139315775 is an apocalyptic number.
12139315775 is a deficient number, since it is larger than the sum of its proper divisors (3103979425).
12139315775 is an equidigital number, since it uses as much as digits as its factorization.
12139315775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6146578 (or 6146573 counting only the distinct ones).
The product of its digits is 198450, while the sum is 44.
The spelling of 12139315775 in words is "twelve billion, one hundred thirty-nine million, three hundred fifteen thousand, seven hundred seventy-five".
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