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213230430333 = 32206911451073
BaseRepresentation
bin1100011010010110000…
…1100010100001111101
3202101101101200011221200
43012211201202201331
511443143442232313
6241542352050113
721256022516124
oct3064541424175
9671341604850
10213230430333
1182481023348
12353aa533939
1317152370c8b
14a46b2b0abb
15582ec41b73
hex31a586287d

213230430333 has 12 divisors (see below), whose sum is σ = 308148401340. Its totient is φ = 142084901376.

The previous prime is 213230430289. The next prime is 213230430397. The reversal of 213230430333 is 333034032312.

It is a happy number.

213230430333 is a `hidden beast` number, since 2 + 1 + 323 + 0 + 4 + 3 + 0 + 333 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37412070084 + 175818360249 = 193422^2 + 419307^2 .

It is not a de Polignac number, because 213230430333 - 212 = 213230426237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213230430297 and 213230430306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230410333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5706916 + ... + 5744157.

It is an arithmetic number, because the mean of its divisors is an integer number (25679033445).

Almost surely, 2213230430333 is an apocalyptic number.

It is an amenable number.

213230430333 is a deficient number, since it is larger than the sum of its proper divisors (94917971007).

213230430333 is a wasteful number, since it uses less digits than its factorization.

213230430333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11453148 (or 11453145 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 213230430333 its reverse (333034032312), we get a palindrome (546264462645).

The spelling of 213230430333 in words is "two hundred thirteen billion, two hundred thirty million, four hundred thirty thousand, three hundred thirty-three".

Divisors: 1 3 9 2069 6207 18621 11451073 34353219 103059657 23692270037 71076810111 213230430333