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111240419 is a prime number
BaseRepresentation
bin1101010000101…
…10010011100011
321202022121011112
412220112103203
5211434143134
615012133535
72520346043
oct650262343
9252277145
10111240419
1157879634
12313072ab
131a07ab44
1410ab9723
159b751ce
hex6a164e3

111240419 has 2 divisors, whose sum is σ = 111240420. Its totient is φ = 111240418.

The previous prime is 111240413. The next prime is 111240427. The reversal of 111240419 is 914042111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111240419 is a prime.

It is a super-2 number, since 2×1112404192 = 24748861638591122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111240394 and 111240403.

It is not a weakly prime, because it can be changed into another prime (111240413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55620209 + 55620210.

It is an arithmetic number, because the mean of its divisors is an integer number (55620210).

Almost surely, 2111240419 is an apocalyptic number.

111240419 is a deficient number, since it is larger than the sum of its proper divisors (1).

111240419 is an equidigital number, since it uses as much as digits as its factorization.

111240419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 111240419 is about 10547.0573621271. The cubic root of 111240419 is about 480.9362787175.

The spelling of 111240419 in words is "one hundred eleven million, two hundred forty thousand, four hundred nineteen".