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212230243133 = 1712599915911
BaseRepresentation
bin1100010110100111101…
…0001000001100111101
3202021210200122102001022
43011221322020030331
511434121420240013
6241255222353525
721222156205346
oct3055172101475
9667720572038
10212230243133
1182008491957
123516b58b8a5
131702309982c
14a3b45150cd
1557c2025008
hex3169e8833d

212230243133 has 8 divisors (see below), whose sum is σ = 224892884160. Its totient is φ = 199587436480.

The previous prime is 212230243117. The next prime is 212230243139. The reversal of 212230243133 is 331342032212.

It is a happy number.

212230243133 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 not a de Polignac number, because 212230243133 - 24 = 212230243117 is a prime.

It is a super-2 number, since 2×2122302431332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230243139) 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 7 ways as a sum of consecutive naturals, for example, 4936553 + ... + 4979358.

It is an arithmetic number, because the mean of its divisors is an integer number (28111610520).

Almost surely, 2212230243133 is an apocalyptic number.

It is an amenable number.

212230243133 is a deficient number, since it is larger than the sum of its proper divisors (12662641027).

212230243133 is a wasteful number, since it uses less digits than its factorization.

212230243133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9917187.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 212230243133 its reverse (331342032212), we get a palindrome (543572275345).

The spelling of 212230243133 in words is "two hundred twelve billion, two hundred thirty million, two hundred forty-three thousand, one hundred thirty-three".

Divisors: 1 17 1259 21403 9915911 168570487 12484131949 212230243133