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42867286823 is a prime number
BaseRepresentation
bin100111111011000101…
…101110001100100111
311002122111100210120202
4213323011232030213
51200243011134243
631405402421115
73045201632414
oct477305561447
9132574323522
1042867286823
11171a8514079
12838420179b
13407210b39a
14210930910b
1511ad5b34b8
hex9fb16e327

42867286823 has 2 divisors, whose sum is σ = 42867286824. Its totient is φ = 42867286822.

The previous prime is 42867286801. The next prime is 42867286837. The reversal of 42867286823 is 32868276824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42867286823 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42867286223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21433643411 + 21433643412.

It is an arithmetic number, because the mean of its divisors is an integer number (21433643412).

Almost surely, 242867286823 is an apocalyptic number.

42867286823 is a deficient number, since it is larger than the sum of its proper divisors (1).

42867286823 is an equidigital number, since it uses as much as digits as its factorization.

42867286823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 56.

Subtracting from 42867286823 its reverse (32868276824), we obtain a palindrome (9999009999).

The spelling of 42867286823 in words is "forty-two billion, eight hundred sixty-seven million, two hundred eighty-six thousand, eight hundred twenty-three".