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1112120993 = 1915822623
BaseRepresentation
bin100001001001001…
…1001111010100001
32212111122121012102
41002102121322201
54234200332433
6302204340145
736362605154
oct10222317241
92774577172
101112120993
11520843a65
12270544655
13149535a79
14a79b5c9b
156797c4e8
hex42499ea1

1112120993 has 4 divisors (see below), whose sum is σ = 1117943808. Its totient is φ = 1106298180.

The previous prime is 1112120987. The next prime is 1112121071. The reversal of 1112120993 is 3990212111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3990212111 = 12731418993.

It is a cyclic number.

It is not a de Polignac number, because 1112120993 - 216 = 1112055457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112120903) 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 in 3 ways as a sum of consecutive naturals, for example, 2911121 + ... + 2911502.

It is an arithmetic number, because the mean of its divisors is an integer number (279485952).

Almost surely, 21112120993 is an apocalyptic number.

It is an amenable number.

1112120993 is a deficient number, since it is larger than the sum of its proper divisors (5822815).

1112120993 is an equidigital number, since it uses as much as digits as its factorization.

1112120993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822814.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1112120993 is about 33348.4781211977. The cubic root of 1112120993 is about 1036.0578674141.

The spelling of 1112120993 in words is "one billion, one hundred twelve million, one hundred twenty thousand, nine hundred ninety-three".

Divisors: 1 191 5822623 1112120993