Base | Representation |
---|---|
bin | 1110000111000101111011… |
… | …11110011100101000011010 |
3 | 11001212102221012202120112000 |
4 | 13003202331332130220122 |
5 | 13031344000414312310 |
6 | 145554555514301430 |
7 | 6351563044461222 |
oct | 703427576345032 |
9 | 131772835676460 |
10 | 31030031010330 |
11 | 9983842610550 |
12 | 35919b2727876 |
13 | 1441172339991 |
14 | 793c0bdd1082 |
15 | 38c267c424c0 |
hex | 1c38bdf9ca1a |
31030031010330 has 64 divisors (see below), whose sum is σ = 90269181129600. Its totient is φ = 7522431759360.
The previous prime is 31030031010287. The next prime is 31030031010331. The reversal of 31030031010330 is 3301013003013.
31030031010330 is a `hidden beast` number, since 3 + 1 + 0 + 300 + 31 + 0 + 1 + 0 + 330 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (31030031010331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5223907975 + ... + 5223913914.
It is an arithmetic number, because the mean of its divisors is an integer number (1410455955150).
Almost surely, 231030031010330 is an apocalyptic number.
31030031010330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31030031010330 is an abundant number, since it is smaller than the sum of its proper divisors (59239150119270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31030031010330 is a wasteful number, since it uses less digits than its factorization.
31030031010330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10447821916 (or 10447821910 counting only the distinct ones).
The product of its (nonzero) digits is 243, while the sum is 18.
Adding to 31030031010330 its reverse (3301013003013), we get a palindrome (34331044013343).
The spelling of 31030031010330 in words is "thirty-one trillion, thirty billion, thirty-one million, ten thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •