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1241304031421 = 3406573643853
BaseRepresentation
bin10010000100000011011…
…111000110000010111101
311101200000121112022021222
4102010003133012002331
5130314142313001141
62350125221203125
7155452446114506
oct22040337060275
94350017468258
101241304031421
11439485846253
121806a62604a5
139009288719c
1444117d85bad
1522450e0c14b
hex121037c60bd

1241304031421 has 4 divisors (see below), whose sum is σ = 1241308015932. Its totient is φ = 1241300046912.

The previous prime is 1241304031397. The next prime is 1241304031441.

1241304031421 is nontrivially palindromic in base 10.

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 242881408900 + 998422622521 = 492830^2 + 999211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241304031421 - 214 = 1241304015037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241304031441) 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, 1481270 + ... + 2162583.

It is an arithmetic number, because the mean of its divisors is an integer number (310327003983).

Almost surely, 21241304031421 is an apocalyptic number.

It is an amenable number.

1241304031421 is a deficient number, since it is larger than the sum of its proper divisors (3984511).

1241304031421 is an equidigital number, since it uses as much as digits as its factorization.

1241304031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984510.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 1241304031421 in words is "one trillion, two hundred forty-one billion, three hundred four million, thirty-one thousand, four hundred twenty-one".

Divisors: 1 340657 3643853 1241304031421