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213312123203 = 3742467135757
BaseRepresentation
bin1100011010101001100…
…1001011000101000011
3202101121002101121111112
43012222121023011003
511443330400420303
6241554431033535
721261034062554
oct3065231130503
9671532347445
10213312123203
1182513150413
123541196b8ab
1317166274a5a
14a47809832b
155836ecc0d8
hex31aa64b143

213312123203 has 8 divisors (see below), whose sum is σ = 219084088272. Its totient is φ = 207540514656.

The previous prime is 213312123191. The next prime is 213312123239. The reversal of 213312123203 is 302321213312.

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 213312123203 - 212 = 213312119107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213312123263) 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 7 ways as a sum of consecutive naturals, for example, 1503401 + ... + 1639157.

It is an arithmetic number, because the mean of its divisors is an integer number (27385511034).

Almost surely, 2213312123203 is an apocalyptic number.

213312123203 is a deficient number, since it is larger than the sum of its proper divisors (5771965069).

213312123203 is a wasteful number, since it uses less digits than its factorization.

213312123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178261.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213312123203 its reverse (302321213312), we get a palindrome (515633336515).

The spelling of 213312123203 in words is "two hundred thirteen billion, three hundred twelve million, one hundred twenty-three thousand, two hundred three".

Divisors: 1 37 42467 135757 1571279 5023009 5765192519 213312123203