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201041201381 is a prime number
BaseRepresentation
bin1011101100111011111…
…1010100100011100101
3201012220220111012021112
42323032333110203211
511243213021421011
6232205042354405
720344663005356
oct2731677244345
9635826435245
10201041201381
1178296576209
1232b6835ba05
1315c5bc53977
149a324b5d2d
155369a9358b
hex2ecefd48e5

201041201381 has 2 divisors, whose sum is σ = 201041201382. Its totient is φ = 201041201380.

The previous prime is 201041201353. The next prime is 201041201441. The reversal of 201041201381 is 183102140102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189686380900 + 11354820481 = 435530^2 + 106559^2 .

It is a cyclic number.

It is not a de Polignac number, because 201041201381 - 222 = 201037007077 is a prime.

It is a super-2 number, since 2×2010412013812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201041201311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520600690 + 100520600691.

It is an arithmetic number, because the mean of its divisors is an integer number (100520600691).

Almost surely, 2201041201381 is an apocalyptic number.

It is an amenable number.

201041201381 is a deficient number, since it is larger than the sum of its proper divisors (1).

201041201381 is an equidigital number, since it uses as much as digits as its factorization.

201041201381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 201041201381 its reverse (183102140102), we get a palindrome (384143341483).

The spelling of 201041201381 in words is "two hundred one billion, forty-one million, two hundred one thousand, three hundred eighty-one".