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213320131989 = 3671061294189
BaseRepresentation
bin1100011010101011011…
…1101110010110010101
3202101121122110111111020
43012222313232112111
511443334423210424
6241555314431353
721261162130026
oct3065267562625
9671548414436
10213320131989
1182517720548
1235414592559
1317167b1a193
14a479180c4d
155837a60079
hex31aadee595

213320131989 has 8 divisors (see below), whose sum is σ = 288672019680. Its totient is φ = 140090832816.

The previous prime is 213320131987. The next prime is 213320131993. The reversal of 213320131989 is 989131023312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213320131989 - 21 = 213320131987 is a prime.

It is a super-2 number, since 2×2133201319892 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213320131989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320131987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530646894 + ... + 530647295.

It is an arithmetic number, because the mean of its divisors is an integer number (36084002460).

Almost surely, 2213320131989 is an apocalyptic number.

It is an amenable number.

213320131989 is a deficient number, since it is larger than the sum of its proper divisors (75351887691).

213320131989 is a wasteful number, since it uses less digits than its factorization.

213320131989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061294259.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 213320131989 in words is "two hundred thirteen billion, three hundred twenty million, one hundred thirty-one thousand, nine hundred eighty-nine".

Divisors: 1 3 67 201 1061294189 3183882567 71106710663 213320131989