Base | Representation |
---|---|
bin | 1000000001100100… |
… | …0100011010010000 |
3 | 12120010020100101101 |
4 | 2000121010122100 |
5 | 13402414232222 |
6 | 553424514144 |
7 | 104244111433 |
oct | 20031043220 |
9 | 5503210341 |
10 | 2154055312 |
11 | a059a9702 |
12 | 50147b954 |
13 | 284366056 |
14 | 16611b81a |
15 | c9193927 |
hex | 80644690 |
2154055312 has 40 divisors (see below), whose sum is σ = 4424716800. Its totient is φ = 1012357632.
The previous prime is 2154055283. The next prime is 2154055313. The reversal of 2154055312 is 2135504512.
It is not an unprimeable number, because it can be changed into a prime (2154055313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223489 + ... + 232927.
It is an arithmetic number, because the mean of its divisors is an integer number (110617920).
Almost surely, 22154055312 is an apocalyptic number.
It is an amenable number.
2154055312 is an abundant number, since it is smaller than the sum of its proper divisors (2270661488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154055312 is a wasteful number, since it uses less digits than its factorization.
2154055312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10303 (or 10297 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 2154055312 is about 46411.8014302397. The cubic root of 2154055312 is about 1291.4738501796.
Adding to 2154055312 its reverse (2135504512), we get a palindrome (4289559824).
The spelling of 2154055312 in words is "two billion, one hundred fifty-four million, fifty-five thousand, three hundred twelve".
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