Search a number
-
+
121340323201 = 194276245963
BaseRepresentation
bin111000100000001110…
…0100110010110000001
3102121012102020002021111
41301000130212112001
53442001110320301
6131424252123321
711523632505136
oct1610034462601
9377172202244
10121340323201
11475074a3849
121b624766541
13b599aa0016
145c3136258d
1532529ad551
hex1c40726581

121340323201 has 4 divisors (see below), whose sum is σ = 121346588592. Its totient is φ = 121334057812.

The previous prime is 121340323193. The next prime is 121340323211. The reversal of 121340323201 is 102323043121.

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 121340323201 - 23 = 121340323193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121340323211) 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, 3103555 + ... + 3142408.

It is an arithmetic number, because the mean of its divisors is an integer number (30336647148).

Almost surely, 2121340323201 is an apocalyptic number.

It is an amenable number.

121340323201 is a deficient number, since it is larger than the sum of its proper divisors (6265391).

121340323201 is an equidigital number, since it uses as much as digits as its factorization.

121340323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6265390.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121340323201 its reverse (102323043121), we get a palindrome (223663366322).

The spelling of 121340323201 in words is "one hundred twenty-one billion, three hundred forty million, three hundred twenty-three thousand, two hundred one".

Divisors: 1 19427 6245963 121340323201