Base | Representation |
---|---|
bin | 1000000001101011… |
… | …1011101110011001 |
3 | 12120011011011202212 |
4 | 2000122323232121 |
5 | 13403030402100 |
6 | 553443204505 |
7 | 104251215314 |
oct | 20032735631 |
9 | 5504134685 |
10 | 2154544025 |
11 | a062028a7 |
12 | 501676735 |
13 | 2844a762a |
14 | 16620797b |
15 | c923d635 |
hex | 806bbb99 |
2154544025 has 12 divisors (see below), whose sum is σ = 2733766992. Its totient is φ = 1683549840.
The previous prime is 2154543997. The next prime is 2154544057. The reversal of 2154544025 is 5204454512.
2154544025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2154544025 - 212 = 2154539929 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2154543982 and 2154544000.
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, 1001039 + ... + 1003188.
It is an arithmetic number, because the mean of its divisors is an integer number (227813916).
Almost surely, 22154544025 is an apocalyptic number.
2154544025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2154544025 is a deficient number, since it is larger than the sum of its proper divisors (579222967).
2154544025 is a wasteful number, since it uses less digits than its factorization.
2154544025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2004280 (or 2004275 counting only the distinct ones).
The product of its (nonzero) digits is 32000, while the sum is 32.
The square root of 2154544025 is about 46417.0660964262. The cubic root of 2154544025 is about 1291.5715128424.
Adding to 2154544025 its reverse (5204454512), we get a palindrome (7358998537).
The spelling of 2154544025 in words is "two billion, one hundred fifty-four million, five hundred forty-four thousand, twenty-five".
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