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2230211121 = 3743403707
BaseRepresentation
bin1000010011101110…
…0101001000110001
312202102112110111220
42010323211020301
514031413223441
61005145055253
7106160324145
oct20473451061
95672473456
102230211121
11a44994696
12522a87529
1329707b768
141722a3225
15d0bd8466
hex84ee5231

2230211121 has 4 divisors (see below), whose sum is σ = 2973614832. Its totient is φ = 1486807412.

The previous prime is 2230211107. The next prime is 2230211141. The reversal of 2230211121 is 1211120322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2230211121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2230211121.

It is not an unprimeable number, because it can be changed into a prime (2230211141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371701851 + ... + 371701856.

It is an arithmetic number, because the mean of its divisors is an integer number (743403708).

Almost surely, 22230211121 is an apocalyptic number.

It is an amenable number.

2230211121 is a deficient number, since it is larger than the sum of its proper divisors (743403711).

2230211121 is an equidigital number, since it uses as much as digits as its factorization.

2230211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743403710.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2230211121 is about 47225.1111274500. Note that the first 4 decimals coincide. The cubic root of 2230211121 is about 1306.5177842641.

Adding to 2230211121 its reverse (1211120322), we get a palindrome (3441331443).

The spelling of 2230211121 in words is "two billion, two hundred thirty million, two hundred eleven thousand, one hundred twenty-one".

Divisors: 1 3 743403707 2230211121