Base | Representation |
---|---|
bin | 11110001100011100… |
… | …110011000110111001 |
3 | 10002200111002002021211 |
4 | 132030130303012321 |
5 | 1012344302140211 |
6 | 22521041203121 |
7 | 2225266030612 |
oct | 361434630671 |
9 | 102614062254 |
10 | 32421130681 |
11 | 12827979385 |
12 | 63499304a1 |
13 | 3098b6b9c4 |
14 | 17d7c08c09 |
15 | c9b475e21 |
hex | 78c7331b9 |
32421130681 has 4 divisors (see below), whose sum is σ = 34127506000. Its totient is φ = 30714755364.
The previous prime is 32421130673. The next prime is 32421130733. The reversal of 32421130681 is 18603112423.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 32421130681 - 23 = 32421130673 is a prime.
It is a super-2 number, since 2×324211306812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (32421130981) by changing a digit.
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, 853187631 + ... + 853187668.
It is an arithmetic number, because the mean of its divisors is an integer number (8531876500).
Almost surely, 232421130681 is an apocalyptic number.
It is an amenable number.
32421130681 is a deficient number, since it is larger than the sum of its proper divisors (1706375319).
32421130681 is a wasteful number, since it uses less digits than its factorization.
32421130681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1706375318.
The product of its (nonzero) digits is 6912, while the sum is 31.
The spelling of 32421130681 in words is "thirty-two billion, four hundred twenty-one million, one hundred thirty thousand, six hundred eighty-one".
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