Search a number
-
+
10223203213 = 19538063327
BaseRepresentation
bin10011000010101100…
…11011001110001101
3222101110202112101001
421201112123032031
5131414120000323
64410234420301
7511224536116
oct114126331615
928343675331
1010223203213
114376805983
121b93891691
13c6c009b92
146cda6520d
153ec79c3ad
hex26159b38d

10223203213 has 4 divisors (see below), whose sum is σ = 10761266560. Its totient is φ = 9685139868.

The previous prime is 10223203171. The next prime is 10223203217. The reversal of 10223203213 is 31230232201.

10223203213 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10223203213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 538063327 = 10223203213 / (1 + 0 + 2 + 2 + 3 + 2 + 0 + 3 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223203217) 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, 269031645 + ... + 269031682.

It is an arithmetic number, because the mean of its divisors is an integer number (2690316640).

Almost surely, 210223203213 is an apocalyptic number.

It is an amenable number.

10223203213 is a deficient number, since it is larger than the sum of its proper divisors (538063347).

10223203213 is an equidigital number, since it uses as much as digits as its factorization.

10223203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538063346.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10223203213 its reverse (31230232201), we get a palindrome (41453435414).

The spelling of 10223203213 in words is "ten billion, two hundred twenty-three million, two hundred three thousand, two hundred thirteen".

Divisors: 1 19 538063327 10223203213