Base | Representation |
---|---|
bin | 11000100011101001… |
… | …01000001110110110 |
3 | 1021000210212001201000 |
4 | 30101310220032312 |
5 | 204000040121323 |
6 | 10020120544130 |
7 | 644465251560 |
oct | 142164501666 |
9 | 37023761630 |
10 | 13183910838 |
11 | 5655a7938a |
12 | 267b322046 |
13 | 1321514997 |
14 | 8d0d60330 |
15 | 52267de43 |
hex | 311d283b6 |
13183910838 has 32 divisors (see below), whose sum is σ = 33482949120. Its totient is φ = 3766831560.
The previous prime is 13183910659. The next prime is 13183910881. The reversal of 13183910838 is 83801938131.
It is a junction number, because it is equal to n+sod(n) for n = 13183910793 and 13183910802.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17438658 + ... + 17439413.
It is an arithmetic number, because the mean of its divisors is an integer number (1046342160).
Almost surely, 213183910838 is an apocalyptic number.
13183910838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
13183910838 is an abundant number, since it is smaller than the sum of its proper divisors (20299038282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13183910838 is a wasteful number, since it uses less digits than its factorization.
13183910838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34878089 (or 34878083 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The spelling of 13183910838 in words is "thirteen billion, one hundred eighty-three million, nine hundred ten thousand, eight hundred thirty-eight".
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