Base | Representation |
---|---|
bin | 10110001000011000… |
… | …11110111001011110 |
3 | 1010200001012211110000 |
4 | 23010030132321132 |
5 | 143313133304324 |
6 | 5242554355130 |
7 | 600302301564 |
oct | 130414367136 |
9 | 33601184400 |
10 | 11881541214 |
11 | 5047902854 |
12 | 237712baa6 |
13 | 117475a27a |
14 | 809dc3a34 |
15 | 4981719c9 |
hex | 2c431ee5e |
11881541214 has 40 divisors (see below), whose sum is σ = 26632575288. Its totient is φ = 3959156880.
The previous prime is 11881541209. The next prime is 11881541239. The reversal of 11881541214 is 41214518811.
11881541214 is a `hidden beast` number, since 1 + 18 + 81 + 541 + 21 + 4 = 666.
It is a super-4 number, since 4×118815412144 (a number of 41 digits) contains 4444 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 535224 + ... + 556980.
Almost surely, 211881541214 is an apocalyptic number.
11881541214 is an abundant number, since it is smaller than the sum of its proper divisors (14751034074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11881541214 is a wasteful number, since it uses less digits than its factorization.
11881541214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25142 (or 25133 counting only the distinct ones).
The product of its digits is 10240, while the sum is 36.
The spelling of 11881541214 in words is "eleven billion, eight hundred eighty-one million, five hundred forty-one thousand, two hundred fourteen".
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