Base | Representation |
---|---|
bin | 100111110101000… |
… | …0110110100001111 |
3 | 10110010202002022212 |
4 | 1033222012310033 |
5 | 10214112004111 |
6 | 340340301035 |
7 | 45055351535 |
oct | 11752066417 |
9 | 3403662285 |
10 | 1336438031 |
11 | 626425745 |
12 | 3136a177b |
13 | 183b55446 |
14 | c96c8155 |
15 | 7c4db98b |
hex | 4fa86d0f |
1336438031 has 4 divisors (see below), whose sum is σ = 1343154000. Its totient is φ = 1329722064.
The previous prime is 1336438013. The next prime is 1336438043. The reversal of 1336438031 is 1308346331.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1308346331 = 421 ⋅3107711.
It is a cyclic number.
It is not a de Polignac number, because 1336438031 - 218 = 1336175887 is a prime.
It is a super-3 number, since 3×13364380313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1336438531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3357686 + ... + 3358083.
It is an arithmetic number, because the mean of its divisors is an integer number (335788500).
Almost surely, 21336438031 is an apocalyptic number.
1336438031 is a deficient number, since it is larger than the sum of its proper divisors (6715969).
1336438031 is an equidigital number, since it uses as much as digits as its factorization.
1336438031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6715968.
The product of its (nonzero) digits is 15552, while the sum is 32.
The square root of 1336438031 is about 36557.3252714145. The cubic root of 1336438031 is about 1101.4960445617.
The spelling of 1336438031 in words is "one billion, three hundred thirty-six million, four hundred thirty-eight thousand, thirty-one".
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