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2230223111 = 3171942681
BaseRepresentation
bin1000010011101110…
…1000000100000111
312202102120001221222
42010323220010013
514031414114421
61005145230555
7106160404124
oct20473500407
95672501858
102230223111
11a449a26a6
12522a9245b
1329708405c
141722a774b
15d0bdbcab
hex84ee8107

2230223111 has 4 divisors (see below), whose sum is σ = 2302165824. Its totient is φ = 2158280400.

The previous prime is 2230223089. The next prime is 2230223123. The reversal of 2230223111 is 1113220322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1113220322 = 2556610161.

It is a cyclic number.

It is not a de Polignac number, because 2230223111 - 210 = 2230222087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2230223111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230228111) 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, 35971310 + ... + 35971371.

It is an arithmetic number, because the mean of its divisors is an integer number (575541456).

Almost surely, 22230223111 is an apocalyptic number.

2230223111 is a deficient number, since it is larger than the sum of its proper divisors (71942713).

2230223111 is an equidigital number, since it uses as much as digits as its factorization.

2230223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71942712.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2230223111 is about 47225.2380724544. The cubic root of 2230223111 is about 1306.5201256150.

Adding to 2230223111 its reverse (1113220322), we get a palindrome (3343443433).

The spelling of 2230223111 in words is "two billion, two hundred thirty million, two hundred twenty-three thousand, one hundred eleven".

Divisors: 1 31 71942681 2230223111