Base | Representation |
---|---|
bin | 1100001010111000111000… |
… | …1010000111110100100010 |
3 | 1202101020020101212202122120 |
4 | 3002232032022013310202 |
5 | 3223214203241121221 |
6 | 44243124150045110 |
7 | 2550521545356600 |
oct | 302561612076442 |
9 | 52336211782576 |
10 | 13381208145186 |
11 | 4299a36172472 |
12 | 160144b649796 |
13 | 760ac500582b |
14 | 343922552870 |
15 | 18312140d5c6 |
hex | c2b8e287d22 |
13381208145186 has 96 divisors (see below), whose sum is σ = 31692918055680. Its totient is φ = 3754428933024.
The previous prime is 13381208145103. The next prime is 13381208145199. The reversal of 13381208145186 is 68154180218331.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16019361 + ... + 16833963.
It is an arithmetic number, because the mean of its divisors is an integer number (330134563080).
Almost surely, 213381208145186 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13381208145186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15846459027840).
13381208145186 is an abundant number, since it is smaller than the sum of its proper divisors (18311709910494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13381208145186 is a wasteful number, since it uses less digits than its factorization.
13381208145186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 815628 (or 815621 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 51.
The spelling of 13381208145186 in words is "thirteen trillion, three hundred eighty-one billion, two hundred eight million, one hundred forty-five thousand, one hundred eighty-six".
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