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1020050201 = 1760002953
BaseRepresentation
bin111100110011001…
…011101100011001
32122002101220211002
4330303023230121
54042113101301
6245115114345
734164166202
oct7463135431
92562356732
101020050201
114838788a5
122457429b5
1313343a401
149968a5a9
155e84216b
hex3cccbb19

1020050201 has 4 divisors (see below), whose sum is σ = 1080053172. Its totient is φ = 960047232.

The previous prime is 1020050197. The next prime is 1020050203. The reversal of 1020050201 is 1020500201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1020500201 = 7145785743.

It can be written as a sum of positive squares in 2 ways, for example, as 396049801 + 624000400 = 19901^2 + 24980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020050201 - 22 = 1020050197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020050203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30001460 + ... + 30001493.

It is an arithmetic number, because the mean of its divisors is an integer number (270013293).

Almost surely, 21020050201 is an apocalyptic number.

It is an amenable number.

1020050201 is a deficient number, since it is larger than the sum of its proper divisors (60002971).

1020050201 is an equidigital number, since it uses as much as digits as its factorization.

1020050201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60002970.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1020050201 is about 31938.2247628136. The cubic root of 1020050201 is about 1006.6392234940.

Adding to 1020050201 its reverse (1020500201), we get a palindrome (2040550402).

The spelling of 1020050201 in words is "one billion, twenty million, fifty thousand, two hundred one".

Divisors: 1 17 60002953 1020050201