Base | Representation |
---|---|
bin | 11000111100000001… |
… | …10011001011111111 |
3 | 1021120001200121112212 |
4 | 30132000303023333 |
5 | 204404414144111 |
6 | 10052304251035 |
7 | 652530521606 |
oct | 143600631377 |
9 | 37501617485 |
10 | 13388428031 |
11 | 5750467160 |
12 | 2717910a7b |
13 | 13549c1084 |
14 | 91019aa3d |
15 | 5355cb98b |
hex | 31e0332ff |
13388428031 has 8 divisors (see below), whose sum is σ = 14853110400. Its totient is φ = 11965004440.
The previous prime is 13388428003. The next prime is 13388428049. The reversal of 13388428031 is 13082488331.
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 13388428031 - 26 = 13388427967 is a prime.
It is a super-2 number, since 2×133884280312 (a number of 21 digits) contains 22 as substring.
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 13388428031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13388422031) 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, 10314011 + ... + 10315308.
It is an arithmetic number, because the mean of its divisors is an integer number (1856638800).
Almost surely, 213388428031 is an apocalyptic number.
13388428031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13388428031 is a deficient number, since it is larger than the sum of its proper divisors (1464682369).
13388428031 is a wasteful number, since it uses less digits than its factorization.
13388428031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20629389.
The product of its (nonzero) digits is 110592, while the sum is 41.
The spelling of 13388428031 in words is "thirteen billion, three hundred eighty-eight million, four hundred twenty-eight thousand, thirty-one".
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