Search a number
-
+
1000210001201 = 9109109804589
BaseRepresentation
bin11101000111000010010…
…10010110110100110001
310112121201100120120222022
432203201022112310301
5112341412230014301
62043253511321225
7132156064506305
oct16434112266461
93477640516868
101000210001201
11356206519a04
12141a20380215
137341c9450c8
14365a62add05
151b03ede8d1b
hexe8e1296d31

1000210001201 has 4 divisors (see below), whose sum is σ = 1000319814900. Its totient is φ = 1000100187504.

The previous prime is 1000210001171. The next prime is 1000210001299. The reversal of 1000210001201 is 1021000120001.

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 134102440000 + 866107561201 = 366200^2 + 930649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000210001201 - 226 = 1000142892337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000210001501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54893186 + ... + 54911403.

It is an arithmetic number, because the mean of its divisors is an integer number (250079953725).

Almost surely, 21000210001201 is an apocalyptic number.

It is an amenable number.

1000210001201 is a deficient number, since it is larger than the sum of its proper divisors (109813699).

1000210001201 is an equidigital number, since it uses as much as digits as its factorization.

1000210001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109813698.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1000210001201 its reverse (1021000120001), we get a palindrome (2021210121202).

The spelling of 1000210001201 in words is "one trillion, two hundred ten million, one thousand, two hundred one".

Divisors: 1 9109 109804589 1000210001201