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1305350240201 = 7186478605743
BaseRepresentation
bin10010111111101100111…
…011111111011111001001
311121210100002202211000122
4102333230323333133021
5132341324130141301
62435400345513025
7163210536653330
oct22775473773711
94553302684018
101305350240201
114636611a8907
12190b9b1a2775
139612b694647
1447271d7ad17
1523e4d9b181b
hex12feceff7c9

1305350240201 has 4 divisors (see below), whose sum is σ = 1491828845952. Its totient is φ = 1118871634452.

The previous prime is 1305350240197. The next prime is 1305350240231. The reversal of 1305350240201 is 1020420535031.

It is a happy number.

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 1305350240201 - 22 = 1305350240197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305350240231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93239302865 + ... + 93239302878.

It is an arithmetic number, because the mean of its divisors is an integer number (372957211488).

Almost surely, 21305350240201 is an apocalyptic number.

It is an amenable number.

1305350240201 is a deficient number, since it is larger than the sum of its proper divisors (186478605751).

1305350240201 is an equidigital number, since it uses as much as digits as its factorization.

1305350240201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186478605750.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1305350240201 its reverse (1020420535031), we get a palindrome (2325770775232).

The spelling of 1305350240201 in words is "one trillion, three hundred five billion, three hundred fifty million, two hundred forty thousand, two hundred one".

Divisors: 1 7 186478605743 1305350240201