Search a number
-
+
202102310302201 = 794925424872349
BaseRepresentation
bin101101111100111110011100…
…011010011111000111111001
3222111120210101111100202121101
4231330332130122133013321
5202442221012414132301
61553500304123211401
760366260440121161
oct5574763432370771
9874523344322541
10202102310302201
115943a1214074a1
121a800946976b61
1388a0220b740ba
1437c9b382c55a1
151857229010701
hexb7cf9c69f1f9

202102310302201 has 4 divisors (see below), whose sum is σ = 202127735182500. Its totient is φ = 202076885421904.

The previous prime is 202102310302069. The next prime is 202102310302229. The reversal of 202102310302201 is 102203013201202.

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 32833129200400 + 169269181101801 = 5730020^2 + 13010349^2 .

It is a cyclic number.

It is not a de Polignac number, because 202102310302201 - 219 = 202102309777913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202102310302271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12712428226 + ... + 12712444123.

It is an arithmetic number, because the mean of its divisors is an integer number (50531933795625).

Almost surely, 2202102310302201 is an apocalyptic number.

It is an amenable number.

202102310302201 is a deficient number, since it is larger than the sum of its proper divisors (25424880299).

202102310302201 is an equidigital number, since it uses as much as digits as its factorization.

202102310302201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25424880298.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202102310302201 its reverse (102203013201202), we get a palindrome (304305323503403).

The spelling of 202102310302201 in words is "two hundred two trillion, one hundred two billion, three hundred ten million, three hundred two thousand, two hundred one".

Divisors: 1 7949 25424872349 202102310302201