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205012141 is a prime number
BaseRepresentation
bin11000011100000…
…11110010101101
3112021202200210021
430032003302231
5404440342031
632202042141
75036401015
oct1416036255
9467680707
10205012141
11a57a6724
12587a9351
1333620779
141d328c45
1512ee9511
hexc383cad

205012141 has 2 divisors, whose sum is σ = 205012142. Its totient is φ = 205012140.

The previous prime is 205012121. The next prime is 205012217. The reversal of 205012141 is 141210502.

205012141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173976100 + 31036041 = 13190^2 + 5571^2 .

It is a cyclic number.

It is not a de Polignac number, because 205012141 - 29 = 205011629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205012121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102506070 + 102506071.

It is an arithmetic number, because the mean of its divisors is an integer number (102506071).

Almost surely, 2205012141 is an apocalyptic number.

It is an amenable number.

205012141 is a deficient number, since it is larger than the sum of its proper divisors (1).

205012141 is an equidigital number, since it uses as much as digits as its factorization.

205012141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 205012141 is about 14318.2450391101. The cubic root of 205012141 is about 589.6484940616.

Adding to 205012141 its reverse (141210502), we get a palindrome (346222643).

The spelling of 205012141 in words is "two hundred five million, twelve thousand, one hundred forty-one".