Base | Representation |
---|---|
bin | 1111101000101… |
… | …11101000101110 |
3 | 100010211001210020 |
4 | 13310113220232 |
5 | 232034400224 |
6 | 21003223010 |
7 | 3151626240 |
oct | 764275056 |
9 | 303731706 |
10 | 131168814 |
11 | 68050087 |
12 | 37b17a66 |
13 | 212377aa |
14 | 135c6090 |
15 | b7aec79 |
hex | 7d17a2e |
131168814 has 32 divisors (see below), whose sum is σ = 301625856. Its totient is φ = 37250400.
The previous prime is 131168803. The next prime is 131168831. The reversal of 131168814 is 418861131.
It is a happy number.
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, 2337 + ... + 16364.
It is an arithmetic number, because the mean of its divisors is an integer number (9425808).
Almost surely, 2131168814 is an apocalyptic number.
131168814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
131168814 is an abundant number, since it is smaller than the sum of its proper divisors (170457042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131168814 is a wasteful number, since it uses less digits than its factorization.
131168814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18880.
The product of its digits is 4608, while the sum is 33.
The square root of 131168814 is about 11452.8954417649. The cubic root of 131168814 is about 508.0933731066.
It can be divided in two parts, 1311 and 68814, that added together give a triangular number (70125 = T374).
The spelling of 131168814 in words is "one hundred thirty-one million, one hundred sixty-eight thousand, eight hundred fourteen".
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