Base | Representation |
---|---|
bin | 111010010101110111… |
… | …0101100011101010001 |
3 | 102222101111221020112121 |
4 | 1310223232230131101 |
5 | 4023042123300333 |
6 | 133320102254241 |
7 | 12023513662051 |
oct | 1645356543521 |
9 | 388344836477 |
10 | 125287712593 |
11 | 4915271392a |
12 | 20346727381 |
13 | ba78830ca4 |
14 | 60c76dd561 |
15 | 33d42e032d |
hex | 1d2bbac751 |
125287712593 has 2 divisors, whose sum is σ = 125287712594. Its totient is φ = 125287712592.
The previous prime is 125287712549. The next prime is 125287712597. The reversal of 125287712593 is 395217782521.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 114912864144 + 10374848449 = 338988^2 + 101857^2 .
It is an emirp because it is prime and its reverse (395217782521) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-125287712593 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 125287712593.
It is not a weakly prime, because it can be changed into another prime (125287712597) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62643856296 + 62643856297.
It is an arithmetic number, because the mean of its divisors is an integer number (62643856297).
Almost surely, 2125287712593 is an apocalyptic number.
It is an amenable number.
125287712593 is a deficient number, since it is larger than the sum of its proper divisors (1).
125287712593 is an equidigital number, since it uses as much as digits as its factorization.
125287712593 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2116800, while the sum is 52.
The spelling of 125287712593 in words is "one hundred twenty-five billion, two hundred eighty-seven million, seven hundred twelve thousand, five hundred ninety-three".
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