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1112203291 = 17113578971
BaseRepresentation
bin100001001001010…
…1110000000011011
32212111210210002111
41002102232000123
54234211001131
6302210213151
736363400123
oct10222560033
92774723074
101112203291
1152089a881
122705841b7
13149564374
14a79d7c83
1567996ab1
hex424ae01b

1112203291 has 8 divisors (see below), whose sum is σ = 1188050544. Its totient is φ = 1037514240.

The previous prime is 1112203289. The next prime is 1112203297. The reversal of 1112203291 is 1923022111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112203291 - 21 = 1112203289 is a prime.

It is a super-2 number, since 2×11122032912 = 2473992321022461362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112203297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287565 + ... + 291406.

It is an arithmetic number, because the mean of its divisors is an integer number (148506318).

Almost surely, 21112203291 is an apocalyptic number.

1112203291 is a deficient number, since it is larger than the sum of its proper divisors (75847253).

1112203291 is a wasteful number, since it uses less digits than its factorization.

1112203291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579101.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1112203291 is about 33349.7120077520. The cubic root of 1112203291 is about 1036.0834232028.

The spelling of 1112203291 in words is "one billion, one hundred twelve million, two hundred three thousand, two hundred ninety-one".

Divisors: 1 17 113 1921 578971 9842507 65423723 1112203291