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424280712013 = 1022294150297
BaseRepresentation
bin1100010110010010001…
…10011110001101001101
31111120010212000100011221
412023021012132031031
523422411330241023
6522524544043341
742440033355604
oct6131106361515
91446125010157
10424280712013
11153a33445744
126a28a903551
1331017b41162
141676cbd0a3b
15b08338885d
hex62c919e34d

424280712013 has 4 divisors (see below), whose sum is σ = 424284964540. Its totient is φ = 424276459488.

The previous prime is 424280712001. The next prime is 424280712083. The reversal of 424280712013 is 310217082424.

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 103196422564 + 321084289449 = 321242^2 + 566643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-424280712013 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 424280712013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424280712083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972920 + ... + 2177377.

It is an arithmetic number, because the mean of its divisors is an integer number (106071241135).

Almost surely, 2424280712013 is an apocalyptic number.

It is an amenable number.

424280712013 is a deficient number, since it is larger than the sum of its proper divisors (4252527).

424280712013 is a wasteful number, since it uses less digits than its factorization.

424280712013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252526.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 424280712013 its reverse (310217082424), we get a palindrome (734497794437).

The spelling of 424280712013 in words is "four hundred twenty-four billion, two hundred eighty million, seven hundred twelve thousand, thirteen".

Divisors: 1 102229 4150297 424280712013