Base | Representation |
---|---|
bin | 10110100010011101… |
… | …01110011100001011 |
3 | 1011020021201112010201 |
4 | 23101032232130023 |
5 | 144240124423341 |
6 | 5320405553031 |
7 | 605566166101 |
oct | 132116563413 |
9 | 34207645121 |
10 | 12100232971 |
11 | 514a2a2142 |
12 | 2418415777 |
13 | 11aab5a388 |
14 | 82b06dc71 |
15 | 4ac46e331 |
hex | 2d13ae70b |
12100232971 has 2 divisors, whose sum is σ = 12100232972. Its totient is φ = 12100232970.
The previous prime is 12100232959. The next prime is 12100233037. The reversal of 12100232971 is 17923200121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12100232971 - 213 = 12100224779 is a prime.
It is not a weakly prime, because it can be changed into another prime (12100232371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050116485 + 6050116486.
It is an arithmetic number, because the mean of its divisors is an integer number (6050116486).
Almost surely, 212100232971 is an apocalyptic number.
12100232971 is a deficient number, since it is larger than the sum of its proper divisors (1).
12100232971 is an equidigital number, since it uses as much as digits as its factorization.
12100232971 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1512, while the sum is 28.
The spelling of 12100232971 in words is "twelve billion, one hundred million, two hundred thirty-two thousand, nine hundred seventy-one".
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