Search a number
-
+
1010001010201 = 2414190875561
BaseRepresentation
bin11101011001010001100…
…00000101111000011001
310120112222201002101100021
432230220300011320121
5113021440224311301
62051553230510441
7132653523636121
oct16545060057031
93515881071307
101010001010201
1135a38026a987
121438b3365421
137432024aa61
1436c5478dc81
151b4147738a1
hexeb28c05e19

1010001010201 has 4 divisors (see below), whose sum is σ = 1014191886004. Its totient is φ = 1005810134400.

The previous prime is 1010001010199. The next prime is 1010001010229. The reversal of 1010001010201 is 1020101000101.

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 897424655625 + 112576354576 = 947325^2 + 335524^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010001010201 - 21 = 1010001010199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010001010231) 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, 2095437540 + ... + 2095438021.

It is an arithmetic number, because the mean of its divisors is an integer number (253547971501).

Almost surely, 21010001010201 is an apocalyptic number.

It is an amenable number.

1010001010201 is a deficient number, since it is larger than the sum of its proper divisors (4190875803).

1010001010201 is an equidigital number, since it uses as much as digits as its factorization.

1010001010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190875802.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1010001010201 its reverse (1020101000101), we get a palindrome (2030102010302).

The spelling of 1010001010201 in words is "one trillion, ten billion, one million, ten thousand, two hundred one".

Divisors: 1 241 4190875561 1010001010201