Base | Representation |
---|---|
bin | 1110011100100… |
… | …01101100001000 |
3 | 22110000201210200 |
4 | 13032101230020 |
5 | 222010323414 |
6 | 20005212200 |
7 | 3001016106 |
oct | 716215410 |
9 | 273021720 |
10 | 121182984 |
11 | 6244a62a |
12 | 34701060 |
13 | 1c14c510 |
14 | 12146c76 |
15 | a98b109 |
hex | 7391b08 |
121182984 has 48 divisors (see below), whose sum is σ = 353453100. Its totient is φ = 37286784.
The previous prime is 121182979. The next prime is 121183009. The reversal of 121182984 is 489281121.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 99560484 + 21622500 = 9978^2 + 4650^2 .
It is a super-2 number, since 2×1211829842 = 29370631222288512, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63799 + ... + 65670.
Almost surely, 2121182984 is an apocalyptic number.
It is an amenable number.
121182984 is an abundant number, since it is smaller than the sum of its proper divisors (232270116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121182984 is a wasteful number, since it uses less digits than its factorization.
121182984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129494 (or 129487 counting only the distinct ones).
The product of its digits is 9216, while the sum is 36.
The square root of 121182984 is about 11008.3143123732. The cubic root of 121182984 is about 494.8579451569.
The spelling of 121182984 in words is "one hundred twenty-one million, one hundred eighty-two thousand, nine hundred eighty-four".
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