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6298192981 is a prime number
BaseRepresentation
bin1011101110110011…
…01100110001010101
3121020221011100112201
411313121230301111
5100344314133411
62520544044501
7312034520443
oct56731546125
917227140481
106298192981
112742190673
121279303731
13794ab3212
1443a671b93
1526cddb3c1
hex17766cc55

6298192981 has 2 divisors, whose sum is σ = 6298192982. Its totient is φ = 6298192980.

The previous prime is 6298192939. The next prime is 6298192987. The reversal of 6298192981 is 1892918926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6152990481 + 145202500 = 78441^2 + 12050^2 .

It is a cyclic number.

It is not a de Polignac number, because 6298192981 - 217 = 6298061909 is a prime.

It is a super-2 number, since 2×62981929812 = 79334469651835332722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6298192987) 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, 3149096490 + 3149096491.

It is an arithmetic number, because the mean of its divisors is an integer number (3149096491).

Almost surely, 26298192981 is an apocalyptic number.

It is an amenable number.

6298192981 is a deficient number, since it is larger than the sum of its proper divisors (1).

6298192981 is an equidigital number, since it uses as much as digits as its factorization.

6298192981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 55.

The square root of 6298192981 is about 79361.1553658337. The cubic root of 6298192981 is about 1846.7381510201.

The spelling of 6298192981 in words is "six billion, two hundred ninety-eight million, one hundred ninety-two thousand, nine hundred eighty-one".