Base | Representation |
---|---|
bin | 100001001001010… |
… | …1101011101000111 |
3 | 2212111210122222210 |
4 | 1002102231131013 |
5 | 4234210413111 |
6 | 302210154503 |
7 | 36363360414 |
oct | 10222553507 |
9 | 2774718883 |
10 | 1112201031 |
11 | 520899107 |
12 | 270582a33 |
13 | 149563326 |
14 | a79d710b |
15 | 679960a6 |
hex | 424ad747 |
1112201031 has 16 divisors (see below), whose sum is σ = 1505659104. Its totient is φ = 730189824.
The previous prime is 1112201021. The next prime is 1112201033. The reversal of 1112201031 is 1301022111.
It is not a de Polignac number, because 1112201031 - 29 = 1112200519 is a prime.
It is a super-2 number, since 2×11122010312 = 2473982266714925922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1112200998 and 1112201016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1112201033) 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, 42775 + ... + 63671.
It is an arithmetic number, because the mean of its divisors is an integer number (94103694).
Almost surely, 21112201031 is an apocalyptic number.
1112201031 is a deficient number, since it is larger than the sum of its proper divisors (393458073).
1112201031 is a wasteful number, since it uses less digits than its factorization.
1112201031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21170.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 1112201031 is about 33349.6781243837. The cubic root of 1112201031 is about 1036.0827214275.
Adding to 1112201031 its reverse (1301022111), we get a palindrome (2413223142).
The spelling of 1112201031 in words is "one billion, one hundred twelve million, two hundred one thousand, thirty-one".
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