Base | Representation |
---|---|
bin | 11101001001101000… |
… | …111010001101001100 |
3 | 2222210100220112101022 |
4 | 131021220322031030 |
5 | 1003100324411022 |
6 | 22213520333312 |
7 | 2155435403510 |
oct | 351150721514 |
9 | 88710815338 |
10 | 31300232012 |
11 | 1230218a645 |
12 | 6096474238 |
13 | 2c4a88185a |
14 | 172cdca140 |
15 | c32d62c42 |
hex | 749a3a34c |
31300232012 has 24 divisors (see below), whose sum is σ = 62611745280. Its totient is φ = 13411967760.
The previous prime is 31300232009. The next prime is 31300232071. The reversal of 31300232012 is 21023200313.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62039 + ... + 257777.
It is an arithmetic number, because the mean of its divisors is an integer number (2608822720).
Almost surely, 231300232012 is an apocalyptic number.
It is an amenable number.
31300232012 is an abundant number, since it is smaller than the sum of its proper divisors (31311513268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31300232012 is a wasteful number, since it uses less digits than its factorization.
31300232012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201461 (or 201459 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 31300232012 its reverse (21023200313), we get a palindrome (52323432325).
The spelling of 31300232012 in words is "thirty-one billion, three hundred million, two hundred thirty-two thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.180 sec. • engine limits •