Base | Representation |
---|---|
bin | 100001001000111… |
… | …1111100101001011 |
3 | 2212111110010020112 |
4 | 1002101333211023 |
5 | 4234133410011 |
6 | 302202144535 |
7 | 36361645535 |
oct | 10221774513 |
9 | 2774403215 |
10 | 1112013131 |
11 | 52077aa19 |
12 | 2704b214b |
13 | 1494c8948 |
14 | a7988855 |
15 | 6795a58b |
hex | 4247f94b |
1112013131 has 8 divisors (see below), whose sum is σ = 1171852704. Its totient is φ = 1053131200.
The previous prime is 1112013127. The next prime is 1112013157. The reversal of 1112013131 is 1313102111.
It is a happy number.
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 1112013131 - 22 = 1112013127 is a prime.
It is a super-2 number, since 2×11120131312 = 2473146407032846322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1112013191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237026 + ... + 241671.
It is an arithmetic number, because the mean of its divisors is an integer number (146481588).
Almost surely, 21112013131 is an apocalyptic number.
1112013131 is a deficient number, since it is larger than the sum of its proper divisors (59839573).
1112013131 is a wasteful number, since it uses less digits than its factorization.
1112013131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 478821.
The product of its (nonzero) digits is 18, while the sum is 14.
The square root of 1112013131 is about 33346.8608867461. The cubic root of 1112013131 is about 1036.0243713924.
Adding to 1112013131 its reverse (1313102111), we get a palindrome (2425115242).
The spelling of 1112013131 in words is "one billion, one hundred twelve million, thirteen thousand, one hundred thirty-one".
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