Base | Representation |
---|---|
bin | 1011111100010110011001… |
… | …0001111100010100100110 |
3 | 1201111100112000010021120100 |
4 | 2333011212101330110212 |
5 | 3210121132314102210 |
6 | 43532255055044530 |
7 | 2523500046606405 |
oct | 277054621742446 |
9 | 51440460107510 |
10 | 13131431003430 |
11 | 4203010513993 |
12 | 1580b61810746 |
13 | 74339a17532c |
14 | 3357c959363c |
15 | 17b8a2e665c0 |
hex | bf16647c526 |
13131431003430 has 96 divisors (see below), whose sum is σ = 34170442225920. Its totient is φ = 3498770479680.
The previous prime is 13131431003417. The next prime is 13131431003441. The reversal of 13131431003430 is 3430013413131.
13131431003430 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 4 + 310 + 0 + 343 + 0 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 13131431003394 and 13131431003403.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 567392439 + ... + 567415581.
It is an arithmetic number, because the mean of its divisors is an integer number (355942106520).
Almost surely, 213131431003430 is an apocalyptic number.
13131431003430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13131431003430 is an abundant number, since it is smaller than the sum of its proper divisors (21039011222490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13131431003430 is a wasteful number, since it uses less digits than its factorization.
13131431003430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28186 (or 28183 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 13131431003430 its reverse (3430013413131), we get a palindrome (16561444416561).
The spelling of 13131431003430 in words is "thirteen trillion, one hundred thirty-one billion, four hundred thirty-one million, three thousand, four hundred thirty".
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