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213112031320 = 2355327800783
BaseRepresentation
bin1100011001111001110…
…1111000100001011000
3202101002010212220001001
43012132131320201120
511442423140000240
6241522522234344
721253054243366
oct3063635704130
9671063786031
10213112031320
1182420205421
12353769559b4
13171339879a6
14a459690636
15582465589a
hex319e778858

213112031320 has 16 divisors (see below), whose sum is σ = 479502070560. Its totient is φ = 85244812512.

The previous prime is 213112031311. The next prime is 213112031351. The reversal of 213112031320 is 23130211312.

213112031320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2663900352 + ... + 2663900431.

It is an arithmetic number, because the mean of its divisors is an integer number (29968879410).

Almost surely, 2213112031320 is an apocalyptic number.

213112031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213112031320 is an abundant number, since it is smaller than the sum of its proper divisors (266390039240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213112031320 is a wasteful number, since it uses less digits than its factorization.

213112031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327800794 (or 5327800790 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213112031320 its reverse (23130211312), we get a palindrome (236242242632).

The spelling of 213112031320 in words is "two hundred thirteen billion, one hundred twelve million, thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5327800783 10655601566 21311203132 26639003915 42622406264 53278007830 106556015660 213112031320