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479286043861 is a prime number
BaseRepresentation
bin1101111100101111010…
…11001010010011010101
31200211010021020201021211
412332113223022103111
530323034211400421
61004103031141421
746425104103562
oct6762753122325
91624107221254
10479286043861
1117529a527689
1278a7bb14871
13362728885b1
14192aa1ad869
15c7023899e1
hex6f97aca4d5

479286043861 has 2 divisors, whose sum is σ = 479286043862. Its totient is φ = 479286043860.

The previous prime is 479286043837. The next prime is 479286043891. The reversal of 479286043861 is 168340682974.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315528234961 + 163757808900 = 561719^2 + 404670^2 .

It is a cyclic number.

It is not a de Polignac number, because 479286043861 - 25 = 479286043829 is a prime.

It is a super-2 number, since 2×4792860438612 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 479286043796 and 479286043805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479286043801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239643021930 + 239643021931.

It is an arithmetic number, because the mean of its divisors is an integer number (239643021931).

Almost surely, 2479286043861 is an apocalyptic number.

It is an amenable number.

479286043861 is a deficient number, since it is larger than the sum of its proper divisors (1).

479286043861 is an equidigital number, since it uses as much as digits as its factorization.

479286043861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 479286043861 in words is "four hundred seventy-nine billion, two hundred eighty-six million, forty-three thousand, eight hundred sixty-one".