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5111999 is a prime number
BaseRepresentation
bin10011100000000010111111
3100121201100022
4103200002333
52302040444
6301322355
761310534
oct23400277
910551308
105111999
1129817a2
1218663bb
13109ca69
14970d8b
156ae9ee
hex4e00bf

5111999 has 2 divisors, whose sum is σ = 5112000. Its totient is φ = 5111998.

The previous prime is 5111963. The next prime is 5112001. The reversal of 5111999 is 9991115.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5111999 is a prime.

It is a super-2 number, since 2×51119992 = 52265067552002, which contains 22 as substring.

Together with 5112001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5111299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555999 + 2556000.

It is an arithmetic number, because the mean of its divisors is an integer number (2556000).

Almost surely, 25111999 is an apocalyptic number.

5111999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111999 is an equidigital number, since it uses as much as digits as its factorization.

5111999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3645, while the sum is 35.

The square root of 5111999 is about 2260.9730206263. The cubic root of 5111999 is about 172.2649490629.

The spelling of 5111999 in words is "five million, one hundred eleven thousand, nine hundred ninety-nine".