Base | Representation |
---|---|
bin | 11000000101011… |
… | …00000000011101 |
3 | 112002011020121120 |
4 | 30002230000131 |
5 | 403204444013 |
6 | 32014121153 |
7 | 5002144023 |
oct | 1402540035 |
9 | 462136546 |
10 | 202031133 |
11 | a404aa87 |
12 | 577b01b9 |
13 | 32b18965 |
14 | 1cb90713 |
15 | 12b0b123 |
hex | c0ac01d |
202031133 has 4 divisors (see below), whose sum is σ = 269374848. Its totient is φ = 134687420.
The previous prime is 202031131. The next prime is 202031143. The reversal of 202031133 is 331130202.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 202031133 - 21 = 202031131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202031131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33671853 + ... + 33671858.
It is an arithmetic number, because the mean of its divisors is an integer number (67343712).
Almost surely, 2202031133 is an apocalyptic number.
It is an amenable number.
202031133 is a deficient number, since it is larger than the sum of its proper divisors (67343715).
202031133 is an equidigital number, since it uses as much as digits as its factorization.
202031133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67343714.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 202031133 is about 14213.7656164719. The cubic root of 202031133 is about 586.7765731516.
Adding to 202031133 its reverse (331130202), we get a palindrome (533161335).
It can be divided in two parts, 2020 and 31133, that added together give a triangular number (33153 = T257).
The spelling of 202031133 in words is "two hundred two million, thirty-one thousand, one hundred thirty-three".
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