Base | Representation |
---|---|
bin | 11001000111000111… |
… | …00001111010111111 |
3 | 1021210112200000101202 |
4 | 30203203201322333 |
5 | 210102220342211 |
6 | 10105425330115 |
7 | 655040110625 |
oct | 144343417277 |
9 | 37715600352 |
10 | 13481418431 |
11 | 5798a00228 |
12 | 2742a9693b |
13 | 136b04c190 |
14 | 91c685515 |
15 | 53d84953b |
hex | 3238e1ebf |
13481418431 has 8 divisors (see below), whose sum is σ = 14568005760. Its totient is φ = 12401910432.
The previous prime is 13481418397. The next prime is 13481418451.
13481418431 is nontrivially palindromic in base 10.
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 13481418431 - 218 = 13481156287 is a prime.
It is a super-2 number, since 2×134814184312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13481418451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765871 + ... + 1773488.
It is an arithmetic number, because the mean of its divisors is an integer number (1821000720).
Almost surely, 213481418431 is an apocalyptic number.
13481418431 is a deficient number, since it is larger than the sum of its proper divisors (1086587329).
13481418431 is a wasteful number, since it uses less digits than its factorization.
13481418431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3539665.
The product of its digits is 36864, while the sum is 38.
The spelling of 13481418431 in words is "thirteen billion, four hundred eighty-one million, four hundred eighteen thousand, four hundred thirty-one".
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