Base | Representation |
---|---|
bin | 100101100011001101… |
… | …1000001111101111111 |
3 | 21201010211100110000122 |
4 | 1023012123001331333 |
5 | 2310121411323142 |
6 | 101013400245155 |
7 | 5553202654262 |
oct | 1130633017577 |
9 | 251124313018 |
10 | 80638386047 |
11 | 312202a2a5a |
12 | 137657707bb |
13 | 77b148073b |
14 | 3c8d874cd9 |
15 | 216e5701d2 |
hex | 12c66c1f7f |
80638386047 has 2 divisors, whose sum is σ = 80638386048. Its totient is φ = 80638386046.
The previous prime is 80638386013. The next prime is 80638386053. The reversal of 80638386047 is 74068383608.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80638386047 - 28 = 80638385791 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80638386047.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80638386247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40319193023 + 40319193024.
It is an arithmetic number, because the mean of its divisors is an integer number (40319193024).
Almost surely, 280638386047 is an apocalyptic number.
80638386047 is a deficient number, since it is larger than the sum of its proper divisors (1).
80638386047 is an equidigital number, since it uses as much as digits as its factorization.
80638386047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4644864, while the sum is 53.
The spelling of 80638386047 in words is "eighty billion, six hundred thirty-eight million, three hundred eighty-six thousand, forty-seven".
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