Base | Representation |
---|---|
bin | 1000000100100101011… |
… | …1001010100100101111 |
3 | 111020221010121211110002 |
4 | 2001021113022210233 |
5 | 4232443424402423 |
6 | 143412022134515 |
7 | 13006236351632 |
oct | 2011127124457 |
9 | 436833554402 |
10 | 138669762863 |
11 | 5389a514305 |
12 | 22a6028143b |
13 | 100cc0cb128 |
14 | 69d6ab9c19 |
15 | 391905c228 |
hex | 20495ca92f |
138669762863 has 2 divisors, whose sum is σ = 138669762864. Its totient is φ = 138669762862.
The previous prime is 138669762853. The next prime is 138669762883. The reversal of 138669762863 is 368267966831.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 138669762863 - 218 = 138669500719 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 138669762863.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (138669762853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69334881431 + 69334881432.
It is an arithmetic number, because the mean of its divisors is an integer number (69334881432).
Almost surely, 2138669762863 is an apocalyptic number.
138669762863 is a deficient number, since it is larger than the sum of its proper divisors (1).
138669762863 is an equidigital number, since it uses as much as digits as its factorization.
138669762863 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 94058496, while the sum is 65.
The spelling of 138669762863 in words is "one hundred thirty-eight billion, six hundred sixty-nine million, seven hundred sixty-two thousand, eight hundred sixty-three".
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