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213203113 = 6117591987
BaseRepresentation
bin11001011010100…
…11100010101001
3112212011211200121
430231103202221
5414034444423
633053403241
75166124264
oct1455234251
9485154617
10213203113
11aa390722
125b499521
133522aab6
142045bcdb
1513ab645d
hexcb538a9

213203113 has 8 divisors (see below), whose sum is σ = 216930560. Its totient is φ = 209483280.

The previous prime is 213203063. The next prime is 213203117. The reversal of 213203113 is 311302312.

213203113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213203113 - 29 = 213202601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213203117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106306 + ... + 108292.

It is an arithmetic number, because the mean of its divisors is an integer number (27116320).

Almost surely, 2213203113 is an apocalyptic number.

It is an amenable number.

213203113 is a deficient number, since it is larger than the sum of its proper divisors (3727447).

213203113 is a wasteful number, since it uses less digits than its factorization.

213203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 213203113 is about 14601.4763979537. The cubic root of 213203113 is about 597.3990310412.

Adding to 213203113 its reverse (311302312), we get a palindrome (524505425).

The spelling of 213203113 in words is "two hundred thirteen million, two hundred three thousand, one hundred thirteen".

Divisors: 1 61 1759 1987 107299 121207 3495133 213203113