Base | Representation |
---|---|
bin | 11000000110001… |
… | …00011011000101 |
3 | 112002100022210120 |
4 | 30003010123011 |
5 | 403221144031 |
6 | 32020212153 |
7 | 5003041422 |
oct | 1403043305 |
9 | 462308716 |
10 | 202131141 |
11 | a4109133 |
12 | 5783a059 |
13 | 32b52334 |
14 | 1cbb8d49 |
15 | 12b2aa96 |
hex | c0c46c5 |
202131141 has 4 divisors (see below), whose sum is σ = 269508192. Its totient is φ = 134754092.
The previous prime is 202131133. The next prime is 202131151. The reversal of 202131141 is 141131202.
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 202131141 - 23 = 202131133 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 202131141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202131121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33688521 + ... + 33688526.
It is an arithmetic number, because the mean of its divisors is an integer number (67377048).
Almost surely, 2202131141 is an apocalyptic number.
It is an amenable number.
202131141 is a deficient number, since it is larger than the sum of its proper divisors (67377051).
202131141 is an equidigital number, since it uses as much as digits as its factorization.
202131141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67377050.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 202131141 is about 14217.2831792857. The cubic root of 202131141 is about 586.8733778214.
Adding to 202131141 its reverse (141131202), we get a palindrome (343262343).
The spelling of 202131141 in words is "two hundred two million, one hundred thirty-one thousand, one hundred forty-one".
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