Base | Representation |
---|---|
bin | 100011110001000… |
… | …1001011110001111 |
3 | 10002122021010101120 |
4 | 1013202021132033 |
5 | 4424213242111 |
6 | 315031012023 |
7 | 41511654015 |
oct | 10742113617 |
9 | 3078233346 |
10 | 1200134031 |
11 | 566498508 |
12 | 295b0a013 |
13 | 1618404a5 |
14 | b55668b5 |
15 | 70565406 |
hex | 4788978f |
1200134031 has 24 divisors (see below), whose sum is σ = 1743358464. Its totient is φ = 733507920.
The previous prime is 1200133973. The next prime is 1200134051. The reversal of 1200134031 is 1304310021.
1200134031 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1200134031 - 26 = 1200133967 is a prime.
It is a super-2 number, since 2×12001340312 = 2880643384728617922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1200134031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200134051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15700 + ... + 51446.
It is an arithmetic number, because the mean of its divisors is an integer number (72639936).
Almost surely, 21200134031 is an apocalyptic number.
1200134031 is a deficient number, since it is larger than the sum of its proper divisors (543224433).
1200134031 is a wasteful number, since it uses less digits than its factorization.
1200134031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35819 (or 35800 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1200134031 is about 34642.9506682095. The cubic root of 1200134031 is about 1062.6981313738.
Adding to 1200134031 its reverse (1304310021), we get a palindrome (2504444052).
The spelling of 1200134031 in words is "one billion, two hundred million, one hundred thirty-four thousand, thirty-one".
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