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5017919381 is a prime number
BaseRepresentation
bin1001010110001011…
…10101111110010101
3110221201002201022222
410223011311332111
540234041410011
62145531232125
7235230416366
oct45305657625
913851081288
105017919381
112145537112
12b805a8645
1361c793c87
14358607b6d
151e57e5ddb
hex12b175f95

5017919381 has 2 divisors, whose sum is σ = 5017919382. Its totient is φ = 5017919380.

The previous prime is 5017919341. The next prime is 5017919509. The reversal of 5017919381 is 1839197105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4683212356 + 334707025 = 68434^2 + 18295^2 .

It is a cyclic number.

It is not a de Polignac number, because 5017919381 - 214 = 5017902997 is a prime.

It is a super-2 number, since 2×50179193812 = 50359029828430846322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5017919341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508959690 + 2508959691.

It is an arithmetic number, because the mean of its divisors is an integer number (2508959691).

Almost surely, 25017919381 is an apocalyptic number.

It is an amenable number.

5017919381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5017919381 is an equidigital number, since it uses as much as digits as its factorization.

5017919381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 44.

The square root of 5017919381 is about 70837.2739523480. The cubic root of 5017919381 is about 1712.0162918656.

The spelling of 5017919381 in words is "five billion, seventeen million, nine hundred nineteen thousand, three hundred eighty-one".