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424424130321013 = 1927241220223693
BaseRepresentation
bin110000010000000101111000…
…1100001011001101001110101
32001122202112212101110000020121
41200200023301201121221311
5421112231104330233023
64102401430451531541
7155253426415140454
oct14040136141315165
92048675771400217
10424424130321013
11113264298940a59
123b7282a65b9bb1
13152a90402634b4
1476b4347a48b9b
1534103a3eecd5d
hex18202f1859a75

424424130321013 has 4 divisors (see below), whose sum is σ = 424424352471948. Its totient is φ = 424423908170080.

The previous prime is 424424130321001. The next prime is 424424130321071. The reversal of 424424130321013 is 310123031424424.

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 173417872867684 + 251006257453329 = 13168822^2 + 15843177^2 .

It is a cyclic number.

It is not a de Polignac number, because 424424130321013 - 237 = 424286691367541 is a prime.

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 424424130321013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424424130321073) 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, 108184606 + ... + 112039087.

It is an arithmetic number, because the mean of its divisors is an integer number (106106088117987).

Almost surely, 2424424130321013 is an apocalyptic number.

It is an amenable number.

424424130321013 is a deficient number, since it is larger than the sum of its proper divisors (222150935).

424424130321013 is a wasteful number, since it uses less digits than its factorization.

424424130321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222150934.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 424424130321013 its reverse (310123031424424), we get a palindrome (734547161745437).

The spelling of 424424130321013 in words is "four hundred twenty-four trillion, four hundred twenty-four billion, one hundred thirty million, three hundred twenty-one thousand, thirteen".

Divisors: 1 1927241 220223693 424424130321013