Search a number
-
+
2011232243 = 17456125939
BaseRepresentation
bin111011111100000…
…1111011111110011
312012011111011222002
41313320033133303
513104333412433
6531323404215
7100561122566
oct16770173763
95164434862
102011232243
11942319609
1248168366b
132608aaa67
141511804dd
15bb8809e8
hex77e0f7f3

2011232243 has 8 divisors (see below), whose sum is σ = 2130089040. Its totient is φ = 1892436480.

The previous prime is 2011232239. The next prime is 2011232339. The reversal of 2011232243 is 3422321102.

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 2011232243 - 22 = 2011232239 is a prime.

It is a super-2 number, since 2×20112322432 = 8090110270565622098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011232203) 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, 64568 + ... + 90506.

It is an arithmetic number, because the mean of its divisors is an integer number (266261130).

Almost surely, 22011232243 is an apocalyptic number.

2011232243 is a deficient number, since it is larger than the sum of its proper divisors (118856797).

2011232243 is a wasteful number, since it uses less digits than its factorization.

2011232243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30517.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2011232243 is about 44846.7640192690. The cubic root of 2011232243 is about 1262.2752714140.

Adding to 2011232243 its reverse (3422321102), we get a palindrome (5433553345).

The spelling of 2011232243 in words is "two billion, eleven million, two hundred thirty-two thousand, two hundred forty-three".

Divisors: 1 17 4561 25939 77537 440963 118307779 2011232243