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210012203021201 = 730001743288743
BaseRepresentation
bin101111110000000101000110…
…110000100111001110010001
31000112120222012112000000110222
4233300011012300213032101
5210011314442433134301
62022354135115402425
762143611111645320
oct5760050660471621
91015528175000428
10210012203021201
1160a09747664859
121b679931a53415
1390250b16533b9
1439c09056dc0b7
151942d754a731b
hexbf0146c27391

210012203021201 has 4 divisors (see below), whose sum is σ = 240013946309952. Its totient is φ = 180010459732452.

The previous prime is 210012203021177. The next prime is 210012203021213. The reversal of 210012203021201 is 102120302210012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210012203021201 - 210 = 210012203020177 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 210012203021201.

It is not an unprimeable number, because it can be changed into a prime (210012203021261) 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, 15000871644365 + ... + 15000871644378.

It is an arithmetic number, because the mean of its divisors is an integer number (60003486577488).

Almost surely, 2210012203021201 is an apocalyptic number.

It is an amenable number.

210012203021201 is a deficient number, since it is larger than the sum of its proper divisors (30001743288751).

210012203021201 is an equidigital number, since it uses as much as digits as its factorization.

210012203021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30001743288750.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210012203021201 its reverse (102120302210012), we get a palindrome (312132505231213).

The spelling of 210012203021201 in words is "two hundred ten trillion, twelve billion, two hundred three million, twenty-one thousand, two hundred one".

Divisors: 1 7 30001743288743 210012203021201