Base | Representation |
---|---|
bin | 100000011000001… |
… | …1000111000111001 |
3 | 2210201022012020020 |
4 | 1000300120320321 |
5 | 4211111123211 |
6 | 255445521053 |
7 | 35631321504 |
oct | 10060307071 |
9 | 2721265206 |
10 | 1086426681 |
11 | 50829449a |
12 | 263a13189 |
13 | 14410a832 |
14 | a440813b |
15 | 655a4306 |
hex | 40c18e39 |
1086426681 has 16 divisors (see below), whose sum is σ = 1499601600. Its totient is φ = 698804288.
The previous prime is 1086426673. The next prime is 1086426703. The reversal of 1086426681 is 1866246801.
It is a cyclic number.
It is not a de Polignac number, because 1086426681 - 23 = 1086426673 is a prime.
It is a super-4 number, since 4×10864266814 (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (1086426611) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145030 + ... + 152336.
It is an arithmetic number, because the mean of its divisors is an integer number (93725100).
Almost surely, 21086426681 is an apocalyptic number.
It is an amenable number.
1086426681 is a deficient number, since it is larger than the sum of its proper divisors (413174919).
1086426681 is a wasteful number, since it uses less digits than its factorization.
1086426681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9048.
The product of its (nonzero) digits is 110592, while the sum is 42.
The square root of 1086426681 is about 32960.9872576657. The cubic root of 1086426681 is about 1028.0166316380.
The spelling of 1086426681 in words is "one billion, eighty-six million, four hundred twenty-six thousand, six hundred eighty-one".
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