Base | Representation |
---|---|
bin | 10111000110101101… |
… | …10001011010110101 |
3 | 1012000110221100212121 |
4 | 23203112301122311 |
5 | 200401002112323 |
6 | 5410511515541 |
7 | 616251040600 |
oct | 134326613265 |
9 | 35013840777 |
10 | 12404332213 |
11 | 5295a16429 |
12 | 24a2228bb1 |
13 | 1228b61c60 |
14 | 8595cd337 |
15 | 4c8edca5d |
hex | 2e35b16b5 |
12404332213 has 12 divisors (see below), whose sum is σ = 15539493900. Its totient is φ = 9814416192.
The previous prime is 12404332181. The next prime is 12404332231. The reversal of 12404332213 is 31223340421.
It can be written as a sum of positive squares in 2 ways, for example, as 842276484 + 11562055729 = 29022^2 + 107527^2 .
It is not a de Polignac number, because 12404332213 - 25 = 12404332181 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12404332253) 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 11 ways as a sum of consecutive naturals, for example, 9735888 + ... + 9737161.
It is an arithmetic number, because the mean of its divisors is an integer number (1294957825).
Almost surely, 212404332213 is an apocalyptic number.
12404332213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12404332213 is a deficient number, since it is larger than the sum of its proper divisors (3135161687).
12404332213 is a wasteful number, since it uses less digits than its factorization.
12404332213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19473076 (or 19473069 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 12404332213 its reverse (31223340421), we get a palindrome (43627672634).
The spelling of 12404332213 in words is "twelve billion, four hundred four million, three hundred thirty-two thousand, two hundred thirteen".
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