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2193852331 = 11218131011
BaseRepresentation
bin1000001011000011…
…1000011110101011
312122220010020122001
42002300320132223
513443111233311
61001405511431
7105236302636
oct20260703653
95586106561
102193852331
11a26410800
12512872577
1328c68b398
1416b51ac1d
15cc9054c1
hex82c387ab

2193852331 has 6 divisors (see below), whose sum is σ = 2411424596. Its totient is φ = 1994411100.

The previous prime is 2193852317. The next prime is 2193852337. The reversal of 2193852331 is 1332583912.

It is not a de Polignac number, because 2193852331 - 211 = 2193850283 is a prime.

It is a super-2 number, since 2×21938523312 = 9625976100468267122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2193852337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9065385 + ... + 9065626.

Almost surely, 22193852331 is an apocalyptic number.

2193852331 is a deficient number, since it is larger than the sum of its proper divisors (217572265).

2193852331 is a wasteful number, since it uses less digits than its factorization.

2193852331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18131033 (or 18131022 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 2193852331 is about 46838.5773801895. The cubic root of 2193852331 is about 1299.3788612559.

The spelling of 2193852331 in words is "two billion, one hundred ninety-three million, eight hundred fifty-two thousand, three hundred thirty-one".

Divisors: 1 11 121 18131011 199441121 2193852331