Base | Representation |
---|---|
bin | 100001101101001… |
… | …1110001110000001 |
3 | 2220211012102011010 |
4 | 1003122132032001 |
5 | 4304014403433 |
6 | 304121311133 |
7 | 40012310655 |
oct | 10332361601 |
9 | 2824172133 |
10 | 1131012993 |
11 | 530477890 |
12 | 2769354a9 |
13 | 15041ba76 |
14 | aa2d2a65 |
15 | 6945ee63 |
hex | 4369e381 |
1131012993 has 8 divisors (see below), whose sum is σ = 1645109856. Its totient is φ = 685462400.
The previous prime is 1131012973. The next prime is 1131013001. The reversal of 1131012993 is 3992101311.
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 1131012993 - 214 = 1130996609 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1131012993.
It is not an unprimeable number, because it can be changed into a prime (1131012973) 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, 17136528 + ... + 17136593.
It is an arithmetic number, because the mean of its divisors is an integer number (205638732).
Almost surely, 21131012993 is an apocalyptic number.
It is an amenable number.
1131012993 is a deficient number, since it is larger than the sum of its proper divisors (514096863).
1131012993 is a wasteful number, since it uses less digits than its factorization.
1131012993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34273135.
The product of its (nonzero) digits is 1458, while the sum is 30.
The square root of 1131012993 is about 33630.5366148089. The cubic root of 1131012993 is about 1041.8915873248.
The spelling of 1131012993 in words is "one billion, one hundred thirty-one million, twelve thousand, nine hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •