Base | Representation |
---|---|
bin | 1100011010101011011… |
… | …1101110010110010101 |
3 | 202101121122110111111020 |
4 | 3012222313232112111 |
5 | 11443334423210424 |
6 | 241555314431353 |
7 | 21261162130026 |
oct | 3065267562625 |
9 | 671548414436 |
10 | 213320131989 |
11 | 82517720548 |
12 | 35414592559 |
13 | 17167b1a193 |
14 | a479180c4d |
15 | 5837a60079 |
hex | 31aadee595 |
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".
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