Base | Representation |
---|---|
bin | 1010100011000000… |
… | …1001001011101100 |
3 | 21022022101111102001 |
4 | 2220300021023230 |
5 | 21244241132222 |
6 | 1144534142044 |
7 | 130105512310 |
oct | 25060111354 |
9 | 7268344361 |
10 | 2831192812 |
11 | 1223153078 |
12 | 6701b1924 |
13 | 36172c126 |
14 | 1cc023b40 |
15 | 11884be27 |
hex | a8c092ec |
2831192812 has 48 divisors (see below), whose sum is σ = 6019534080. Its totient is φ = 1138104000.
The previous prime is 2831192807. The next prime is 2831192851. The reversal of 2831192812 is 2182911382.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27387 + ... + 80077.
It is an arithmetic number, because the mean of its divisors is an integer number (125406960).
Almost surely, 22831192812 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2831192812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3009767040).
2831192812 is an abundant number, since it is smaller than the sum of its proper divisors (3188341268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2831192812 is a wasteful number, since it uses less digits than its factorization.
2831192812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52822 (or 52820 counting only the distinct ones).
The product of its digits is 13824, while the sum is 37.
The square root of 2831192812 is about 53208.9542464424. The cubic root of 2831192812 is about 1414.6743600892.
The spelling of 2831192812 in words is "two billion, eight hundred thirty-one million, one hundred ninety-two thousand, eight hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •