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1112001893 is a prime number
BaseRepresentation
bin100001001000111…
…1100110101100101
32212111102112211022
41002101330311211
54234133030033
6302202020525
736361601012
oct10221746545
92774375738
101112001893
11520772532
122704a7745
131494c37b2
14a7984709
1567957098
hex4247cd65

1112001893 has 2 divisors, whose sum is σ = 1112001894. Its totient is φ = 1112001892.

The previous prime is 1112001859. The next prime is 1112001911. The reversal of 1112001893 is 3981002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 678446209 + 433555684 = 26047^2 + 20822^2 .

It is an emirp because it is prime and its reverse (3981002111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112001893 - 26 = 1112001829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112001833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556000946 + 556000947.

It is an arithmetic number, because the mean of its divisors is an integer number (556000947).

Almost surely, 21112001893 is an apocalyptic number.

It is an amenable number.

1112001893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112001893 is an equidigital number, since it uses as much as digits as its factorization.

1112001893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1112001893 is about 33346.6923847029. The cubic root of 1112001893 is about 1036.0208813613.

The spelling of 1112001893 in words is "one billion, one hundred twelve million, one thousand, eight hundred ninety-three".