Base | Representation |
---|---|
bin | 11000111101100011… |
… | …00100011000001110 |
3 | 1021120221202010110010 |
4 | 30132301210120032 |
5 | 204421202244210 |
6 | 10053442254050 |
7 | 653044266114 |
oct | 143661443016 |
9 | 37527663403 |
10 | 13401212430 |
11 | 57576a9281 |
12 | 2720057326 |
13 | 13575490c8 |
14 | 911b67ab4 |
15 | 5367a4920 |
hex | 31ec6460e |
13401212430 has 128 divisors (see below), whose sum is σ = 35417088000. Its totient is φ = 3230181504.
The previous prime is 13401212381. The next prime is 13401212443. The reversal of 13401212430 is 3421210431.
It is a junction number, because it is equal to n+sod(n) for n = 13401212397 and 13401212406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6383521 + ... + 6385619.
It is an arithmetic number, because the mean of its divisors is an integer number (276696000).
Almost surely, 213401212430 is an apocalyptic number.
13401212430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13401212430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17708544000).
13401212430 is an abundant number, since it is smaller than the sum of its proper divisors (22015875570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13401212430 is a wasteful number, since it uses less digits than its factorization.
13401212430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2638.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 13401212430 its reverse (3421210431), we get a palindrome (16822422861).
The spelling of 13401212430 in words is "thirteen billion, four hundred one million, two hundred twelve thousand, four hundred thirty".
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