Base | Representation |
---|---|
bin | 1110010011011… |
… | …10001001011111 |
3 | 22100210001201210 |
4 | 13021232021133 |
5 | 221204120311 |
6 | 15523435503 |
7 | 2654613444 |
oct | 711561137 |
9 | 270701653 |
10 | 119988831 |
11 | 61804426 |
12 | 34225b93 |
13 | 1bb21b11 |
14 | 11d159cb |
15 | a8023a6 |
hex | 726e25f |
119988831 has 16 divisors (see below), whose sum is σ = 163900800. Its totient is φ = 78055008.
The previous prime is 119988829. The next prime is 119988851. The reversal of 119988831 is 138889911.
It is not a de Polignac number, because 119988831 - 21 = 119988829 is a prime.
It is a super-2 number, since 2×1199888312 = 28794639129493122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (119988851) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22165 + ... + 27041.
It is an arithmetic number, because the mean of its divisors is an integer number (10243800).
Almost surely, 2119988831 is an apocalyptic number.
119988831 is a deficient number, since it is larger than the sum of its proper divisors (43911969).
119988831 is a wasteful number, since it uses less digits than its factorization.
119988831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5078.
The product of its digits is 124416, while the sum is 48.
The square root of 119988831 is about 10953.9413454701. The cubic root of 119988831 is about 493.2271115454.
The spelling of 119988831 in words is "one hundred nineteen million, nine hundred eighty-eight thousand, eight hundred thirty-one".
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