Base | Representation |
---|---|
bin | 10010110100011000… |
… | …00000010101000111 |
3 | 222002002122011020110 |
4 | 21122030000111013 |
5 | 131142333443421 |
6 | 4350303004103 |
7 | 505235230125 |
oct | 113214002507 |
9 | 28062564213 |
10 | 10103031111 |
11 | 4314996898 |
12 | 1b5b599633 |
13 | c50152824 |
14 | 6bbb02915 |
15 | 3e1e60a76 |
hex | 25a300547 |
10103031111 has 16 divisors (see below), whose sum is σ = 13609034208. Its totient is φ = 6666240000.
The previous prime is 10103031109. The next prime is 10103031149. The reversal of 10103031111 is 11113030101.
It is not a de Polignac number, because 10103031111 - 21 = 10103031109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10103031181) by changing a digit.
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, 1268935 + ... + 1276871.
It is an arithmetic number, because the mean of its divisors is an integer number (850564638).
Almost surely, 210103031111 is an apocalyptic number.
10103031111 is a deficient number, since it is larger than the sum of its proper divisors (3506003097).
10103031111 is a wasteful number, since it uses less digits than its factorization.
10103031111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12242.
The product of its (nonzero) digits is 9, while the sum is 12.
Adding to 10103031111 its reverse (11113030101), we get a palindrome (21216061212).
The spelling of 10103031111 in words is "ten billion, one hundred three million, thirty-one thousand, one hundred eleven".
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