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202010201 = 17291014057
BaseRepresentation
bin11000000101001…
…10111001011001
3112002010011220022
430002212321121
5403203311301
632013440225
75002026011
oct1402467131
9462104808
10202010201
11a4036288
12577a0075
1332b0c283
141cb86c41
1512b04d1b
hexc0a6e59

202010201 has 16 divisors (see below), whose sum is σ = 223514640. Its totient is φ = 181708800.

The previous prime is 202010191. The next prime is 202010203. The reversal of 202010201 is 102010202.

It can be written as a sum of positive squares in 8 ways, for example, as 39702601 + 162307600 = 6301^2 + 12740^2 .

It is a cyclic number.

It is not a de Polignac number, because 202010201 - 226 = 134901337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202010203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47765 + ... + 51821.

It is an arithmetic number, because the mean of its divisors is an integer number (13969665).

Almost surely, 2202010201 is an apocalyptic number.

It is an amenable number.

202010201 is a deficient number, since it is larger than the sum of its proper divisors (21504439).

202010201 is a wasteful number, since it uses less digits than its factorization.

202010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 202010201 is about 14213.0292689490. The cubic root of 202010201 is about 586.7563075763.

Adding to 202010201 its reverse (102010202), we get a palindrome (304020403).

Subtracting from 202010201 its reverse (102010202), we obtain a palindrome (99999999).

It can be divided in two parts, 2020 and 10201, that added together give a palindrome (12221).

The spelling of 202010201 in words is "two hundred two million, ten thousand, two hundred one".

Divisors: 1 17 29 101 493 1717 2929 4057 49793 68969 117653 409757 2000101 6965869 11882953 202010201