Search a number
-
+
212020113223 = 297311038387
BaseRepresentation
bin1100010101110101100…
…0100010111101000111
3202021021001020201000001
43011131120202331013
511433204122110343
6241222314502131
721214025140612
oct3053530427507
9667231221001
10212020113223
1181a0a910176
1235111134947
1316cbb6a67c9
14a394657179
1557ad86944d
hex315d622f47

212020113223 has 4 divisors (see below), whose sum is σ = 219331151640. Its totient is φ = 204709074808.

The previous prime is 212020113209. The next prime is 212020113293. The reversal of 212020113223 is 322311020212.

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 212020113223 - 25 = 212020113191 is a prime.

It is a super-2 number, since 2×2120201132232 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212020113223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020113293) 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, 3655519165 + ... + 3655519222.

It is an arithmetic number, because the mean of its divisors is an integer number (54832787910).

Almost surely, 2212020113223 is an apocalyptic number.

212020113223 is a deficient number, since it is larger than the sum of its proper divisors (7311038417).

212020113223 is an equidigital number, since it uses as much as digits as its factorization.

212020113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7311038416.

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

Adding to 212020113223 its reverse (322311020212), we get a palindrome (534331133435).

The spelling of 212020113223 in words is "two hundred twelve billion, twenty million, one hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 29 7311038387 212020113223