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22230112123 = 47472981109
BaseRepresentation
bin10100101101000001…
…001001011101111011
32010101020212200222001
4110231001021131323
5331011402041443
614113512241431
71414611556342
oct245501113573
963336780861
1022230112123
11947835629a
1243849a0277
1321337202cb
14110c560b59
158a1934d4d
hex52d04977b

22230112123 has 4 divisors (see below), whose sum is σ = 22703093280. Its totient is φ = 21757130968.

The previous prime is 22230112109. The next prime is 22230112129. The reversal of 22230112123 is 32121103222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22230112123 - 29 = 22230111611 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 22230112123.

It is not an unprimeable number, because it can be changed into a prime (22230112129) 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, 236490508 + ... + 236490601.

It is an arithmetic number, because the mean of its divisors is an integer number (5675773320).

Almost surely, 222230112123 is an apocalyptic number.

22230112123 is a deficient number, since it is larger than the sum of its proper divisors (472981157).

22230112123 is an equidigital number, since it uses as much as digits as its factorization.

22230112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472981156.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22230112123 its reverse (32121103222), we get a palindrome (54351215345).

The spelling of 22230112123 in words is "twenty-two billion, two hundred thirty million, one hundred twelve thousand, one hundred twenty-three".

Divisors: 1 47 472981109 22230112123