Base | Representation |
---|---|
bin | 100110010000… |
… | …111111111111 |
3 | 200212122002100 |
4 | 212100333333 |
5 | 10031443403 |
6 | 555000143 |
7 | 151156125 |
oct | 46207777 |
9 | 20778070 |
10 | 10031103 |
11 | 5731575 |
12 | 3439053 |
13 | 2102a84 |
14 | 1491915 |
15 | d322a3 |
hex | 990fff |
10031103 has 6 divisors (see below), whose sum is σ = 14489384. Its totient is φ = 6687396.
The previous prime is 10031053. The next prime is 10031113. The reversal of 10031103 is 30113001.
It is not a de Polignac number, because 10031103 - 28 = 10030847 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1114567 = 10031103 / (1 + 0 + 0 + 3 + 1 + 1 + 0 + 3).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10031113) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557275 + ... + 557292.
Almost surely, 210031103 is an apocalyptic number.
10031103 is a deficient number, since it is larger than the sum of its proper divisors (4458281).
10031103 is a wasteful number, since it uses less digits than its factorization.
10031103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1114573 (or 1114570 counting only the distinct ones).
The product of its (nonzero) digits is 9, while the sum is 9.
The square root of 10031103 is about 3167.1916582360. The cubic root of 10031103 is about 215.6666024327. Note that the first 4 decimals are identical.
Adding to 10031103 its reverse (30113001), we get a palindrome (40144104).
The spelling of 10031103 in words is "ten million, thirty-one thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •