Base | Representation |
---|---|
bin | 111111010011100… |
… | …0111110011110100 |
3 | 12111001000202202212 |
4 | 1332213013303310 |
5 | 13322242403240 |
6 | 550440352552 |
7 | 103432162442 |
oct | 17647076364 |
9 | 5431022685 |
10 | 2124184820 |
11 | 9a005754a |
12 | 4b3475758 |
13 | 27b107cc4 |
14 | 162183b92 |
15 | c6743165 |
hex | 7e9c7cf4 |
2124184820 has 12 divisors (see below), whose sum is σ = 4460788164. Its totient is φ = 849673920.
The previous prime is 2124184813. The next prime is 2124184873. The reversal of 2124184820 is 284814212.
It can be written as a sum of positive squares in 2 ways, for example, as 1560882064 + 563302756 = 39508^2 + 23734^2 .
It is a super-2 number, since 2×21241848202 = 9024322299036864800, which contains 22 as substring.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53104601 + ... + 53104640.
It is an arithmetic number, because the mean of its divisors is an integer number (371732347).
Almost surely, 22124184820 is an apocalyptic number.
2124184820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2124184820 is an abundant number, since it is smaller than the sum of its proper divisors (2336603344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2124184820 is a wasteful number, since it uses less digits than its factorization.
2124184820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106209250 (or 106209248 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 32.
The square root of 2124184820 is about 46088.8795698051. The cubic root of 2124184820 is about 1285.4763776499.
The spelling of 2124184820 in words is "two billion, one hundred twenty-four million, one hundred eighty-four thousand, eight hundred twenty".
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