Base | Representation |
---|---|
bin | 1000010110011000110… |
… | …10101000000011110111 |
3 | 1000102112101000122002121 |
4 | 10023030122220003313 |
5 | 14200031211422211 |
6 | 335444314220411 |
7 | 26504404303024 |
oct | 4131432500367 |
9 | 1012471018077 |
10 | 286897373431 |
11 | 1007440a6aa9 |
12 | 47729424707 |
13 | 21092406a36 |
14 | dc58d0054b |
15 | 76e2239271 |
hex | 42cc6a80f7 |
286897373431 has 2 divisors, whose sum is σ = 286897373432. Its totient is φ = 286897373430.
The previous prime is 286897373429. The next prime is 286897373447. The reversal of 286897373431 is 134373798682.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 286897373431 - 21 = 286897373429 is a prime.
It is a super-2 number, since 2×2868973734312 (a number of 24 digits) contains 22 as substring.
Together with 286897373429, 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 286897373431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (286897373531) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143448686715 + 143448686716.
It is an arithmetic number, because the mean of its divisors is an integer number (143448686716).
Almost surely, 2286897373431 is an apocalyptic number.
286897373431 is a deficient number, since it is larger than the sum of its proper divisors (1).
286897373431 is an equidigital number, since it uses as much as digits as its factorization.
286897373431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 36578304, while the sum is 61.
The spelling of 286897373431 in words is "two hundred eighty-six billion, eight hundred ninety-seven million, three hundred seventy-three thousand, four hundred thirty-one".
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