Search a number
-
+
213200031011 = 1119381821001
BaseRepresentation
bin1100011010001110110…
…1100100110100100011
3202101022021110201220212
43012203231210310203
511443113201443021
6241535344324335
721255203235302
oct3064355446443
9671267421825
10213200031011
118246594a940
12353a03136ab
1317148c89306
14a46723a439
15582c23985b
hex31a3b64d23

213200031011 has 4 divisors (see below), whose sum is σ = 232581852024. Its totient is φ = 193818210000.

The previous prime is 213200030969. The next prime is 213200031013. The reversal of 213200031011 is 110130002312.

213200031011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213200031011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213200031013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9690910490 + ... + 9690910511.

It is an arithmetic number, because the mean of its divisors is an integer number (58145463006).

Almost surely, 2213200031011 is an apocalyptic number.

213200031011 is a deficient number, since it is larger than the sum of its proper divisors (19381821013).

213200031011 is a wasteful number, since it uses less digits than its factorization.

213200031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19381821012.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 213200031011 its reverse (110130002312), we get a palindrome (323330033323).

The spelling of 213200031011 in words is "two hundred thirteen billion, two hundred million, thirty-one thousand, eleven".

Divisors: 1 11 19381821001 213200031011