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5286724381 is a prime number
BaseRepresentation
bin1001110110001110…
…10000001100011101
3111122102220102110201
410323013100030131
541311400140011
62232332503501
7245003262421
oct47307201435
914572812421
105286724381
112273244304
12103661ab91
1366338bba3
143821bab81
1520e1e1cc1
hex13b1d031d

5286724381 has 2 divisors, whose sum is σ = 5286724382. Its totient is φ = 5286724380.

The previous prime is 5286724327. The next prime is 5286724423. The reversal of 5286724381 is 1834276825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3548584900 + 1738139481 = 59570^2 + 41691^2 .

It is a cyclic number.

It is not a de Polignac number, because 5286724381 - 213 = 5286716189 is a prime.

It is a super-2 number, since 2×52867243812 = 55898909361319666322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5286721381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643362190 + 2643362191.

It is an arithmetic number, because the mean of its divisors is an integer number (2643362191).

Almost surely, 25286724381 is an apocalyptic number.

It is an amenable number.

5286724381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5286724381 is an equidigital number, since it uses as much as digits as its factorization.

5286724381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 46.

The square root of 5286724381 is about 72709.8643995435. The cubic root of 5286724381 is about 1742.0564470270.

The spelling of 5286724381 in words is "five billion, two hundred eighty-six million, seven hundred twenty-four thousand, three hundred eighty-one".