Base | Representation |
---|---|
bin | 11001000010011110… |
… | …01001111111110001 |
3 | 1021200211110221001201 |
4 | 30201033021333301 |
5 | 210012241214441 |
6 | 10101515531201 |
7 | 654055363336 |
oct | 144117117761 |
9 | 37624427051 |
10 | 13442523121 |
11 | 5778a54645 |
12 | 2731a59b01 |
13 | 1362c813c1 |
14 | 91743c98d |
15 | 53a214c31 |
hex | 3213c9ff1 |
13442523121 has 8 divisors (see below), whose sum is σ = 14113039680. Its totient is φ = 12779178192.
The previous prime is 13442523109. The next prime is 13442523137. The reversal of 13442523121 is 12132524431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13442523121 - 27 = 13442522993 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 13442523121.
It is not an unprimeable number, because it can be changed into a prime (13442023121) 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 7 ways as a sum of consecutive naturals, for example, 1789066 + ... + 1796563.
It is an arithmetic number, because the mean of its divisors is an integer number (1764129960).
Almost surely, 213442523121 is an apocalyptic number.
It is an amenable number.
13442523121 is a deficient number, since it is larger than the sum of its proper divisors (670516559).
13442523121 is a wasteful number, since it uses less digits than its factorization.
13442523121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3585815.
The product of its digits is 5760, while the sum is 28.
The spelling of 13442523121 in words is "thirteen billion, four hundred forty-two million, five hundred twenty-three thousand, one hundred twenty-one".
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