Base | Representation |
---|---|
bin | 100001001001001… |
… | …0101010010001111 |
3 | 2212111121122012010 |
4 | 1002102111102033 |
5 | 4234144231111 |
6 | 302204112303 |
7 | 36362465655 |
oct | 10222252217 |
9 | 2774548163 |
10 | 1112102031 |
11 | 520830797 |
12 | 270535693 |
13 | 14952a251 |
14 | a79acdd5 |
15 | 67976aa6 |
hex | 4249548f |
1112102031 has 8 divisors (see below), whose sum is σ = 1483430400. Its totient is φ = 741087512.
The previous prime is 1112102009. The next prime is 1112102083. The reversal of 1112102031 is 1302012111.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1112102031 - 29 = 1112101519 is a prime.
It is a super-2 number, since 2×11121020312 = 2473541854708649922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1112101998 and 1112102016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1112102231) 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 7 ways as a sum of consecutive naturals, for example, 70065 + ... + 84458.
It is an arithmetic number, because the mean of its divisors is an integer number (185428800).
Almost surely, 21112102031 is an apocalyptic number.
1112102031 is a deficient number, since it is larger than the sum of its proper divisors (371328369).
1112102031 is a wasteful number, since it uses less digits than its factorization.
1112102031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156925.
The product of its (nonzero) digits is 12, while the sum is 12.
The square root of 1112102031 is about 33348.1938191561. The cubic root of 1112102031 is about 1036.0519790137.
Adding to 1112102031 its reverse (1302012111), we get a palindrome (2414114142).
The spelling of 1112102031 in words is "one billion, one hundred twelve million, one hundred two thousand, thirty-one".
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