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1210306080121 = 2324115207611
BaseRepresentation
bin10001100111001011110…
…111010010110101111001
311021201000022102020002121
4101213023313102311321
5124312201324030441
62324001255401241
7153304340636605
oct21471367226571
94251008366077
101210306080121
11427319258686
12176695083221
138a192821578
14428171a4505
15217398a8dd1
hex119cbdd2d79

1210306080121 has 4 divisors (see below), whose sum is σ = 1210311520144. Its totient is φ = 1210300640100.

The previous prime is 1210306080107. The next prime is 1210306080173. The reversal of 1210306080121 is 1210806030121.

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 1210306080121 - 25 = 1210306080089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210306080421) 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, 2371395 + ... + 2836216.

It is an arithmetic number, because the mean of its divisors is an integer number (302577880036).

Almost surely, 21210306080121 is an apocalyptic number.

It is an amenable number.

1210306080121 is a deficient number, since it is larger than the sum of its proper divisors (5440023).

1210306080121 is an equidigital number, since it uses as much as digits as its factorization.

1210306080121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440022.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1210306080121 in words is "one trillion, two hundred ten billion, three hundred six million, eighty thousand, one hundred twenty-one".

Divisors: 1 232411 5207611 1210306080121