Search a number
-
+
212200011 = 3223577779
BaseRepresentation
bin11001010010111…
…10101001001011
3112210021212200200
430221132221023
5413310400021
633020103243
75154445632
oct1451365113
9483255620
10212200011
11a9866011
125b094b23
1334c6934a
142027a519
1513969126
hexca5ea4b

212200011 has 6 divisors (see below), whose sum is σ = 306511140. Its totient is φ = 141466668.

The previous prime is 212200007. The next prime is 212200019. The reversal of 212200011 is 110002212.

It is not a de Polignac number, because 212200011 - 22 = 212200007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 23577779 = 212200011 / (2 + 1 + 2 + 2 + 0 + 0 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 212199966 and 212200002.

It is not an unprimeable number, because it can be changed into a prime (212200019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11788881 + ... + 11788898.

It is an arithmetic number, because the mean of its divisors is an integer number (51085190).

Almost surely, 2212200011 is an apocalyptic number.

212200011 is a deficient number, since it is larger than the sum of its proper divisors (94311129).

212200011 is a wasteful number, since it uses less digits than its factorization.

212200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23577785 (or 23577782 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 212200011 is about 14567.0865652676. The cubic root of 212200011 is about 596.4606544414.

Adding to 212200011 its reverse (110002212), we get a palindrome (322202223).

The spelling of 212200011 in words is "two hundred twelve million, two hundred thousand, eleven".

Divisors: 1 3 9 23577779 70733337 212200011