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213344213020 = 22556891875059
BaseRepresentation
bin1100011010110001001…
…1100101100000011100
3202101200022202221110021
43012230103211200130
511443412104304040
6242001534521524
721261603614101
oct3065423454034
9671608687407
10213344213020
118252a278a24
12354206662a4
131716cacc003
14a47c44caa8
155839c1a24a
hex31ac4e581c

213344213020 has 24 divisors (see below), whose sum is σ = 448101838800. Its totient is φ = 85322639232.

The previous prime is 213344213003. The next prime is 213344213039. The reversal of 213344213020 is 20312443312.

It is a congruent number.

It is an unprimeable number.

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, 823750 + ... + 1051309.

It is an arithmetic number, because the mean of its divisors is an integer number (18670909950).

Almost surely, 2213344213020 is an apocalyptic number.

213344213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213344213020 is an abundant number, since it is smaller than the sum of its proper divisors (234757625780).

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

213344213020 is a wasteful number, since it uses less digits than its factorization.

213344213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880757 (or 1880755 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213344213020 its reverse (20312443312), we get a palindrome (233656656332).

The spelling of 213344213020 in words is "two hundred thirteen billion, three hundred forty-four million, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 5689 11378 22756 28445 56890 113780 1875059 3750118 7500236 9375295 18750590 37501180 10667210651 21334421302 42668842604 53336053255 106672106510 213344213020