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3121426241213 = 7445918034459
BaseRepresentation
bin101101011011000011100…
…000001001011010111101
3102001101221120011110002012
4231123003200021122331
5402120140104204323
610345544033141005
7441341565164120
oct55330340113275
912041846143065
103121426241213
11aa3875812a45
12424b533ba765
13198470352b87
14ab1138223b7
15562dea24678
hex2d6c38096bd

3121426241213 has 4 divisors (see below), whose sum is σ = 3567344275680. Its totient is φ = 2675508206748.

The previous prime is 3121426241203. The next prime is 3121426241231.

3121426241213 is nontrivially palindromic in base 10.

3121426241213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3121426241213 - 238 = 2846548334269 is a prime.

It is a super-2 number, since 2×31214262412132 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3121426241213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121426241203) 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, 222959017223 + ... + 222959017236.

It is an arithmetic number, because the mean of its divisors is an integer number (891836068920).

Almost surely, 23121426241213 is an apocalyptic number.

It is an amenable number.

3121426241213 is a deficient number, since it is larger than the sum of its proper divisors (445918034467).

3121426241213 is an equidigital number, since it uses as much as digits as its factorization.

3121426241213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445918034466.

The product of its digits is 13824, while the sum is 32.

The spelling of 3121426241213 in words is "three trillion, one hundred twenty-one billion, four hundred twenty-six million, two hundred forty-one thousand, two hundred thirteen".

Divisors: 1 7 445918034459 3121426241213