Search a number
-
+
223113312133 = 293761478881
BaseRepresentation
bin1100111111001010010…
…1101111011110000101
3210022220011001121002221
43033302211233132011
512123414001442013
6250255152332341
722055645601445
oct3176245573605
9708804047087
10223113312133
1186692714758
12372a82440b1
1318068a0312a
14ab27a68125
155c0c6b808d
hex33f296f785

223113312133 has 4 divisors (see below), whose sum is σ = 223874791308. Its totient is φ = 222351832960.

The previous prime is 223113312131. The next prime is 223113312137. The reversal of 223113312133 is 331213311322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331213311322 = 2165606655661.

It can be written as a sum of positive squares in 2 ways, for example, as 114202091844 + 108911220289 = 337938^2 + 330017^2 .

It is a cyclic number.

It is not a de Polignac number, because 223113312133 - 21 = 223113312131 is a prime.

It is a super-3 number, since 3×2231133121333 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223113312098 and 223113312107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223113312131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380739148 + ... + 380739733.

It is an arithmetic number, because the mean of its divisors is an integer number (55968697827).

Almost surely, 2223113312133 is an apocalyptic number.

It is an amenable number.

223113312133 is a deficient number, since it is larger than the sum of its proper divisors (761479175).

223113312133 is an equidigital number, since it uses as much as digits as its factorization.

223113312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761479174.

The product of its digits is 1944, while the sum is 25.

Adding to 223113312133 its reverse (331213311322), we get a palindrome (554326623455).

The spelling of 223113312133 in words is "two hundred twenty-three billion, one hundred thirteen million, three hundred twelve thousand, one hundred thirty-three".

Divisors: 1 293 761478881 223113312133