Base | Representation |
---|---|
bin | 11101111100111101… |
… | …111110110111010001 |
3 | 10002000101100002201112 |
4 | 131330331332313101 |
5 | 1011331304103004 |
6 | 22435202143105 |
7 | 2215663224314 |
oct | 357475766721 |
9 | 102011302645 |
10 | 32161394129 |
11 | 127042a5477 |
12 | 6296951a95 |
13 | 30570ca637 |
14 | 17b151697b |
15 | c8376be6e |
hex | 77cf7edd1 |
32161394129 has 2 divisors, whose sum is σ = 32161394130. Its totient is φ = 32161394128.
The previous prime is 32161394117. The next prime is 32161394143. The reversal of 32161394129 is 92149316123.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 27635737600 + 4525656529 = 166240^2 + 67273^2 .
It is an emirp because it is prime and its reverse (92149316123) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 32161394129 - 24 = 32161394113 is a prime.
It is not a weakly prime, because it can be changed into another prime (32161394179) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16080697064 + 16080697065.
It is an arithmetic number, because the mean of its divisors is an integer number (16080697065).
Almost surely, 232161394129 is an apocalyptic number.
It is an amenable number.
32161394129 is a deficient number, since it is larger than the sum of its proper divisors (1).
32161394129 is an equidigital number, since it uses as much as digits as its factorization.
32161394129 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 69984, while the sum is 41.
The spelling of 32161394129 in words is "thirty-two billion, one hundred sixty-one million, three hundred ninety-four thousand, one hundred twenty-nine".
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