Search a number
-
+
212210303213 = 1911168963327
BaseRepresentation
bin1100010110100010111…
…0000100000011101101
3202021202022010100121202
43011220232010003231
511434101314200323
6241253231135245
721221524546436
oct3055056040355
9667668110552
10212210303213
1181aa8202787
1235164974525
131701bc0786c
14a3b1a0448d
1557c03d6d28
hex3168b840ed

212210303213 has 4 divisors (see below), whose sum is σ = 223379266560. Its totient is φ = 201041339868.

The previous prime is 212210303197. The next prime is 212210303269. The reversal of 212210303213 is 312303012212.

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 not a de Polignac number, because 212210303213 - 24 = 212210303197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210303113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5584481645 + ... + 5584481682.

It is an arithmetic number, because the mean of its divisors is an integer number (55844816640).

Almost surely, 2212210303213 is an apocalyptic number.

It is an amenable number.

212210303213 is a deficient number, since it is larger than the sum of its proper divisors (11168963347).

212210303213 is a wasteful number, since it uses less digits than its factorization.

212210303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11168963346.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212210303213 its reverse (312303012212), we get a palindrome (524513315425).

The spelling of 212210303213 in words is "two hundred twelve billion, two hundred ten million, three hundred three thousand, two hundred thirteen".

Divisors: 1 19 11168963327 212210303213