Base | Representation |
---|---|
bin | 1000000001100011… |
… | …1010100101001110 |
3 | 12120010011022011100 |
4 | 2000120322211032 |
5 | 13402411440204 |
6 | 553424003530 |
7 | 104243553162 |
oct | 20030724516 |
9 | 5503138140 |
10 | 2154015054 |
11 | a05981434 |
12 | 5014605a6 |
13 | 284350929 |
14 | 16610aca2 |
15 | c9186a39 |
hex | 8063a94e |
2154015054 has 48 divisors (see below), whose sum is σ = 4727820240. Its totient is φ = 708704640.
The previous prime is 2154015023. The next prime is 2154015119. The reversal of 2154015054 is 4505104512.
2154015054 is a `hidden beast` number, since 2 + 154 + 0 + 1 + 505 + 4 = 666.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549369 + ... + 553275.
It is an arithmetic number, because the mean of its divisors is an integer number (98496255).
Almost surely, 22154015054 is an apocalyptic number.
2154015054 is an abundant number, since it is smaller than the sum of its proper divisors (2573805186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154015054 is a wasteful number, since it uses less digits than its factorization.
2154015054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4305 (or 4302 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 2154015054 is about 46411.3677238670. The cubic root of 2154015054 is about 1291.4658045059.
Adding to 2154015054 its reverse (4505104512), we get a palindrome (6659119566).
The spelling of 2154015054 in words is "two billion, one hundred fifty-four million, fifteen thousand, fifty-four".
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