Base | Representation |
---|---|
bin | 11001111110110111… |
… | …01011111001011101 |
3 | 1100000010201221002020 |
4 | 30333123223321131 |
5 | 212031433433224 |
6 | 10224054050353 |
7 | 1002446412360 |
oct | 147733537135 |
9 | 40003657066 |
10 | 13949124189 |
11 | 5a08a0a510 |
12 | 28536499b9 |
13 | 1413c07c50 |
14 | 9648320d7 |
15 | 569933c79 |
hex | 33f6ebe5d |
13949124189 has 256 divisors, whose sum is σ = 28356894720. Its totient is φ = 5852528640.
The previous prime is 13949124179. The next prime is 13949124197. The reversal of 13949124189 is 98142194931.
It is not a de Polignac number, because 13949124189 - 212 = 13949120093 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13949124169) by changing a digit.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 70807639 + ... + 70807835.
It is an arithmetic number, because the mean of its divisors is an integer number (110769120).
Almost surely, 213949124189 is an apocalyptic number.
13949124189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
13949124189 is an abundant number, since it is smaller than the sum of its proper divisors (14407770531).
13949124189 is a wasteful number, since it uses less digits than its factorization.
13949124189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 340.
The product of its digits is 559872, while the sum is 51.
The spelling of 13949124189 in words is "thirteen billion, nine hundred forty-nine million, one hundred twenty-four thousand, one hundred eighty-nine".
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