Base | Representation |
---|---|
bin | 1011011110110001… |
… | …0000010111011111 |
3 | 21221210000021121100 |
4 | 2313230100113133 |
5 | 22302422110103 |
6 | 1225450204143 |
7 | 136241065443 |
oct | 26754202737 |
9 | 7853007540 |
10 | 3081831903 |
11 | 1341682a17 |
12 | 720123653 |
13 | 3a1636697 |
14 | 213428823 |
15 | 13085a5a3 |
hex | b7b105df |
3081831903 has 12 divisors (see below), whose sum is σ = 4452069960. Its totient is φ = 2054307696.
The previous prime is 3081831899. The next prime is 3081831931. The reversal of 3081831903 is 3091381803.
It is not a de Polignac number, because 3081831903 - 22 = 3081831899 is a prime.
It is a super-3 number, since 3×30818319033 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3081831983) 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 11 ways as a sum of consecutive naturals, for example, 89425 + ... + 118997.
It is an arithmetic number, because the mean of its divisors is an integer number (371005830).
Almost surely, 23081831903 is an apocalyptic number.
3081831903 is a deficient number, since it is larger than the sum of its proper divisors (1370238057).
3081831903 is a wasteful number, since it uses less digits than its factorization.
3081831903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41158 (or 41155 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 3081831903 is about 55514.2495491023. The cubic root of 3081831903 is about 1455.2456693619.
The spelling of 3081831903 in words is "three billion, eighty-one million, eight hundred thirty-one thousand, nine hundred three".
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