Base | Representation |
---|---|
bin | 10100001011001111… |
… | …11111100100011110 |
3 | 1000221212220212012010 |
4 | 22011213333210132 |
5 | 134140414211233 |
6 | 4550454452050 |
7 | 532264452531 |
oct | 120547774436 |
9 | 30855825163 |
10 | 10831788318 |
11 | 465929797a |
12 | 2123664026 |
13 | 1038120300 |
14 | 74a804a18 |
15 | 435e13b63 |
hex | 2859ff91e |
10831788318 has 96 divisors (see below), whose sum is σ = 25545628800. Its totient is φ = 3048409728.
The previous prime is 10831788313. The next prime is 10831788349. The reversal of 10831788318 is 81388713801.
It is a happy number.
It is a super-2 number, since 2×108317883182 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10831788313) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 549021 + ... + 568407.
It is an arithmetic number, because the mean of its divisors is an integer number (266100300).
Almost surely, 210831788318 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10831788318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12772814400).
10831788318 is an abundant number, since it is smaller than the sum of its proper divisors (14713840482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10831788318 is a wasteful number, since it uses less digits than its factorization.
10831788318 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19466 (or 19453 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 48.
The spelling of 10831788318 in words is "ten billion, eight hundred thirty-one million, seven hundred eighty-eight thousand, three hundred eighteen".
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