Base | Representation |
---|---|
bin | 10100101110100110010… |
… | …10111110111111111111 |
3 | 2112002100022102110020021 |
4 | 22113103022332333333 |
5 | 43132102343212103 |
6 | 1303104053033011 |
7 | 102312201105355 |
oct | 12272312767777 |
9 | 2462308373207 |
10 | 712212475903 |
11 | 255058414595 |
12 | b6046625767 |
13 | 52213636546 |
14 | 266852317d5 |
15 | 137d62e8bbd |
hex | a5d32befff |
712212475903 has 2 divisors, whose sum is σ = 712212475904. Its totient is φ = 712212475902.
The previous prime is 712212475901. The next prime is 712212475927. The reversal of 712212475903 is 309574212217.
It is a weak prime.
It is an emirp because it is prime and its reverse (309574212217) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 712212475903 - 21 = 712212475901 is a prime.
It is a super-2 number, since 2×7122124759032 (a number of 25 digits) contains 22 as substring.
Together with 712212475901, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 712212475903.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (712212475901) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356106237951 + 356106237952.
It is an arithmetic number, because the mean of its divisors is an integer number (356106237952).
Almost surely, 2712212475903 is an apocalyptic number.
712212475903 is a deficient number, since it is larger than the sum of its proper divisors (1).
712212475903 is an equidigital number, since it uses as much as digits as its factorization.
712212475903 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 211680, while the sum is 43.
The spelling of 712212475903 in words is "seven hundred twelve billion, two hundred twelve million, four hundred seventy-five thousand, nine hundred three".
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