Base | Representation |
---|---|
bin | 111100110101110011011… |
… | …1101111001000001110101 |
3 | 1002121101110212222022111112 |
4 | 1321223212331321001311 |
5 | 2044000113110421234 |
6 | 25441221213044405 |
7 | 1522061133446603 |
oct | 171534675710165 |
9 | 32541425868445 |
10 | 8361881342069 |
11 | 2734288029752 |
12 | b30709186705 |
13 | 4886a2b801b8 |
14 | 20ca08082873 |
15 | e77a20ebace |
hex | 79ae6f79075 |
8361881342069 has 8 divisors (see below), whose sum is σ = 8374251514080. Its totient is φ = 8349519337200.
The previous prime is 8361881342047. The next prime is 8361881342123. The reversal of 8361881342069 is 9602431881638.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8361881342069 - 224 = 8361864564853 is a prime.
It is a super-2 number, since 2×83618813420692 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8361881341999 and 8361881342017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8361881342029) 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, 8939 + ... + 4089479.
It is an arithmetic number, because the mean of its divisors is an integer number (1046781439260).
Almost surely, 28361881342069 is an apocalyptic number.
It is an amenable number.
8361881342069 is a deficient number, since it is larger than the sum of its proper divisors (12370172011).
8361881342069 is a wasteful number, since it uses less digits than its factorization.
8361881342069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4083571.
The product of its (nonzero) digits is 11943936, while the sum is 59.
The spelling of 8361881342069 in words is "eight trillion, three hundred sixty-one billion, eight hundred eighty-one million, three hundred forty-two thousand, sixty-nine".
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