Base | Representation |
---|---|
bin | 100000001101110… |
… | …1100000110111111 |
3 | 2210100002111202020 |
4 | 1000123230012333 |
5 | 4203214003013 |
6 | 255133331223 |
7 | 35534231421 |
oct | 10033540677 |
9 | 2710074666 |
10 | 1081000383 |
11 | 505218651 |
12 | 262036b13 |
13 | 142c5a9c8 |
14 | a37d4811 |
15 | 64d81623 |
hex | 406ec1bf |
1081000383 has 32 divisors (see below), whose sum is σ = 1573205760. Its totient is φ = 657941760.
The previous prime is 1081000381. The next prime is 1081000397. The reversal of 1081000383 is 3830001801.
It is not a de Polignac number, because 1081000383 - 21 = 1081000381 is a prime.
It is a super-2 number, since 2×10810003832 = 2337123656092293378, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1081000381) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191185 + ... + 196757.
It is an arithmetic number, because the mean of its divisors is an integer number (49162680).
Almost surely, 21081000383 is an apocalyptic number.
1081000383 is a deficient number, since it is larger than the sum of its proper divisors (492205377).
1081000383 is a wasteful number, since it uses less digits than its factorization.
1081000383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5719.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 1081000383 is about 32878.5702700102. The cubic root of 1081000383 is about 1026.3022537402.
The spelling of 1081000383 in words is "one billion, eighty-one million, three hundred eighty-three", and thus it is an aban number.
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