Base | Representation |
---|---|
bin | 100100001101011110… |
… | …011000110001001011 |
3 | 10201100200001000202201 |
4 | 210031132120301023 |
5 | 1114111434301433 |
6 | 25510033541031 |
7 | 2544334064602 |
oct | 441536306113 |
9 | 121320030681 |
10 | 38880775243 |
11 | 15542202a02 |
12 | 7651114777 |
13 | 38882302ab |
14 | 1c4baa6a39 |
15 | 1028604a7d |
hex | 90d798c4b |
38880775243 has 2 divisors, whose sum is σ = 38880775244. Its totient is φ = 38880775242.
The previous prime is 38880775181. The next prime is 38880775261. The reversal of 38880775243 is 34257708883.
It is a strong prime.
It is an emirp because it is prime and its reverse (34257708883) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 38880775243 - 233 = 30290840651 is a prime.
It is not a weakly prime, because it can be changed into another prime (38880775273) 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, 19440387621 + 19440387622.
It is an arithmetic number, because the mean of its divisors is an integer number (19440387622).
Almost surely, 238880775243 is an apocalyptic number.
38880775243 is a deficient number, since it is larger than the sum of its proper divisors (1).
38880775243 is an equidigital number, since it uses as much as digits as its factorization.
38880775243 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9031680, while the sum is 55.
The spelling of 38880775243 in words is "thirty-eight billion, eight hundred eighty million, seven hundred seventy-five thousand, two hundred forty-three".
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