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2203111123 = 191033112249
BaseRepresentation
bin1000001101010000…
…1100111011010011
312200112112122022021
42003110030323103
514002444023443
61002340152311
7105411064333
oct20324147323
95615478267
102203111123
11a30664aa4
12515998697
13291580765
1416c84b0c3
15cd6339ed
hex8350ced3

2203111123 has 8 divisors (see below), whose sum is σ = 2321330000. Its totient is φ = 2085118848.

The previous prime is 2203111087. The next prime is 2203111129. The reversal of 2203111123 is 3211113022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2203111123 is a prime.

It is a super-2 number, since 2×22031111232 = 9707397240572642258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2203111097 and 2203111106.

It is not an unprimeable number, because it can be changed into a prime (2203111129) 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, 36498 + ... + 75751.

It is an arithmetic number, because the mean of its divisors is an integer number (290166250).

Almost surely, 22203111123 is an apocalyptic number.

2203111123 is a deficient number, since it is larger than the sum of its proper divisors (118218877).

2203111123 is a wasteful number, since it uses less digits than its factorization.

2203111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113301.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2203111123 is about 46937.3105641983. The cubic root of 2203111123 is about 1301.2042338373.

Adding to 2203111123 its reverse (3211113022), we get a palindrome (5414224145).

The spelling of 2203111123 in words is "two billion, two hundred three million, one hundred eleven thousand, one hundred twenty-three".

Divisors: 1 19 1033 19627 112249 2132731 115953217 2203111123