Search a number
-
+
210012200222201 = 1316154784632477
BaseRepresentation
bin101111110000000101000110…
…100101111011110111111001
31000112120222012022201210222022
4233300011012211323313321
5210011314441224102301
62022354134535404225
762143611046110056
oct5760050645736771
91015528168653868
10210012200222201
1160a09746022933
121b679930b23675
1390250b0bb33a0
1439c09051b002d
151942d75102d1b
hexbf014697bdf9

210012200222201 has 4 divisors (see below), whose sum is σ = 226166984854692. Its totient is φ = 193857415589712.

The previous prime is 210012200222129. The next prime is 210012200222203. The reversal of 210012200222201 is 102222002210012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70504235022400 + 139507965199801 = 8396680^2 + 11811349^2 .

It is a cyclic number.

It is not a de Polignac number, because 210012200222201 - 210 = 210012200221177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210012200222201.

It is not an unprimeable number, because it can be changed into a prime (210012200222203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8077392316226 + ... + 8077392316251.

It is an arithmetic number, because the mean of its divisors is an integer number (56541746213673).

Almost surely, 2210012200222201 is an apocalyptic number.

It is an amenable number.

210012200222201 is a deficient number, since it is larger than the sum of its proper divisors (16154784632491).

210012200222201 is a wasteful number, since it uses less digits than its factorization.

210012200222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16154784632490.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210012200222201 its reverse (102222002210012), we get a palindrome (312234202432213).

The spelling of 210012200222201 in words is "two hundred ten trillion, twelve billion, two hundred million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 13 16154784632477 210012200222201