Base | Representation |
---|---|
bin | 10011001111011011… |
… | …10100111001010101 |
3 | 222122220201102100221 |
4 | 21213231310321111 |
5 | 132123440012411 |
6 | 4425011434341 |
7 | 513662362636 |
oct | 114755647125 |
9 | 28586642327 |
10 | 10330000981 |
11 | 442101a6a3 |
12 | 20035b59b1 |
13 | c88190821 |
14 | 6ddd0588d |
15 | 406d46071 |
hex | 267b74e55 |
10330000981 has 2 divisors, whose sum is σ = 10330000982. Its totient is φ = 10330000980.
The previous prime is 10330000949. The next prime is 10330001021. The reversal of 10330000981 is 18900003301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6728920900 + 3601080081 = 82030^2 + 60009^2 .
It is a cyclic number.
It is not a de Polignac number, because 10330000981 - 25 = 10330000949 is a prime.
It is a super-2 number, since 2×103300009812 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10330000081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5165000490 + 5165000491.
It is an arithmetic number, because the mean of its divisors is an integer number (5165000491).
Almost surely, 210330000981 is an apocalyptic number.
It is an amenable number.
10330000981 is a deficient number, since it is larger than the sum of its proper divisors (1).
10330000981 is an equidigital number, since it uses as much as digits as its factorization.
10330000981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 25.
The spelling of 10330000981 in words is "ten billion, three hundred thirty million, nine hundred eighty-one", and thus it is an aban number.
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