Base | Representation |
---|---|
bin | 1011101000001011… |
… | …0100011010001101 |
3 | 22001112021112012200 |
4 | 2322002310122031 |
5 | 22343023114013 |
6 | 1233420152113 |
7 | 140230423206 |
oct | 27202643215 |
9 | 8045245180 |
10 | 3121301133 |
11 | 1361990815 |
12 | 731398639 |
13 | 3a9875762 |
14 | 2187805ad |
15 | 134054e73 |
hex | ba0b468d |
3121301133 has 48 divisors (see below), whose sum is σ = 5037065280. Its totient is φ = 1850936832.
The previous prime is 3121301047. The next prime is 3121301147. The reversal of 3121301133 is 3311031213.
It is a happy number.
It is not a de Polignac number, because 3121301133 - 28 = 3121300877 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3121301153) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1519335 + ... + 1521387.
It is an arithmetic number, because the mean of its divisors is an integer number (104938860).
Almost surely, 23121301133 is an apocalyptic number.
It is an amenable number.
3121301133 is a deficient number, since it is larger than the sum of its proper divisors (1915764147).
3121301133 is a wasteful number, since it uses less digits than its factorization.
3121301133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2618 (or 2615 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
The square root of 3121301133 is about 55868.6059697215. The cubic root of 3121301133 is about 1461.4318118926.
Adding to 3121301133 its reverse (3311031213), we get a palindrome (6432332346).
The spelling of 3121301133 in words is "three billion, one hundred twenty-one million, three hundred one thousand, one hundred thirty-three".
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