Base | Representation |
---|---|
bin | 111100100010011… |
… | …1010011010111000 |
3 | 12020120022022021111 |
4 | 1321010322122320 |
5 | 13130010043000 |
6 | 533322250104 |
7 | 101224012546 |
oct | 17104723270 |
9 | 5216268244 |
10 | 2031331000 |
11 | 9526a7056 |
12 | 488356934 |
13 | 264ac710a |
14 | 153ad2d96 |
15 | bd500cba |
hex | 7913a6b8 |
2031331000 has 64 divisors (see below), whose sum is σ = 4843126080. Its totient is φ = 797180800.
The previous prime is 2031330979. The next prime is 2031331009. The reversal of 2031331000 is 1331302.
It is a super-2 number, since 2×20313310002 = 8252611263122000000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031331009) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33837 + ... + 72163.
It is an arithmetic number, because the mean of its divisors is an integer number (75673845).
Almost surely, 22031331000 is an apocalyptic number.
2031331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2031331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421563040).
2031331000 is an abundant number, since it is smaller than the sum of its proper divisors (2811795080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031331000 is a wasteful number, since it uses less digits than its factorization.
2031331000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38401 (or 38387 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 13.
The square root of 2031331000 is about 45070.2895486594. The cubic root of 2031331000 is about 1266.4660885846.
Adding to 2031331000 its reverse (1331302), we get a palindrome (2032662302).
The spelling of 2031331000 in words is "two billion, thirty-one million, three hundred thirty-one thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •