Base | Representation |
---|---|
bin | 1000000001100101… |
… | …0000010110110100 |
3 | 12120010022211111200 |
4 | 2000121100112310 |
5 | 13402422313434 |
6 | 553425532500 |
7 | 104244404205 |
oct | 20031202664 |
9 | 5503284450 |
10 | 2154104244 |
11 | a05a32446 |
12 | 5014a4130 |
13 | 2843823c6 |
14 | 1661315ac |
15 | c91a3199 |
hex | 806505b4 |
2154104244 has 36 divisors (see below), whose sum is σ = 5456322144. Its totient is φ = 716554512.
The previous prime is 2154104237. The next prime is 2154104257. The reversal of 2154104244 is 4424014512.
2154104244 is a `hidden beast` number, since 2 + 1 + 5 + 410 + 4 + 244 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43902 + ... + 78965.
It is an arithmetic number, because the mean of its divisors is an integer number (151564504).
Almost surely, 22154104244 is an apocalyptic number.
It is an amenable number.
2154104244 is an abundant number, since it is smaller than the sum of its proper divisors (3302217900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154104244 is a wasteful number, since it uses less digits than its factorization.
2154104244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123364 (or 123359 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 27.
The square root of 2154104244 is about 46412.3285776527. The cubic root of 2154104244 is about 1291.4836292414.
Adding to 2154104244 its reverse (4424014512), we get a palindrome (6578118756).
The spelling of 2154104244 in words is "two billion, one hundred fifty-four million, one hundred four thousand, two hundred forty-four".
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