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1122383891 is a prime number
BaseRepresentation
bin100001011100110…
…0011100000010011
32220012222000020202
41002321203200103
54244312241031
6303212325415
736546051146
oct10271434023
92805860222
101122383891
115266136a2
12273a7386b
1314b6ba1a5
14a90c805d
15688082cb
hex42e63813

1122383891 has 2 divisors, whose sum is σ = 1122383892. Its totient is φ = 1122383890.

The previous prime is 1122383887. The next prime is 1122383917. The reversal of 1122383891 is 1983832211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1983832211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122383891 - 22 = 1122383887 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122383881) 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, 561191945 + 561191946.

It is an arithmetic number, because the mean of its divisors is an integer number (561191946).

Almost surely, 21122383891 is an apocalyptic number.

1122383891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122383891 is an equidigital number, since it uses as much as digits as its factorization.

1122383891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 1122383891 is about 33501.9983135335. The cubic root of 1122383891 is about 1039.2351041799.

The spelling of 1122383891 in words is "one billion, one hundred twenty-two million, three hundred eighty-three thousand, eight hundred ninety-one".