Base | Representation |
---|---|
bin | 11110001101000100… |
… | …100111011000010001 |
3 | 10002201012201101011001 |
4 | 132031010213120101 |
5 | 1012404440142101 |
6 | 22522053022001 |
7 | 2225453532361 |
oct | 361504473021 |
9 | 102635641131 |
10 | 32431568401 |
11 | 128328583a1 |
12 | 6351324901 |
13 | 309b08487b |
14 | 17d93649a1 |
15 | c9c338901 |
hex | 78d127611 |
32431568401 has 2 divisors, whose sum is σ = 32431568402. Its totient is φ = 32431568400.
The previous prime is 32431568359. The next prime is 32431568413. The reversal of 32431568401 is 10486513423.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28959530625 + 3472037776 = 170175^2 + 58924^2 .
It is an emirp because it is prime and its reverse (10486513423) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 32431568401 - 217 = 32431437329 is a prime.
It is not a weakly prime, because it can be changed into another prime (32431568431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16215784200 + 16215784201.
It is an arithmetic number, because the mean of its divisors is an integer number (16215784201).
Almost surely, 232431568401 is an apocalyptic number.
It is an amenable number.
32431568401 is a deficient number, since it is larger than the sum of its proper divisors (1).
32431568401 is an equidigital number, since it uses as much as digits as its factorization.
32431568401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 69120, while the sum is 37.
The spelling of 32431568401 in words is "thirty-two billion, four hundred thirty-one million, five hundred sixty-eight thousand, four hundred one".
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