Base | Representation |
---|---|
bin | 11001011010001… |
… | …11010100010101 |
3 | 112212002022000020 |
4 | 30231013110111 |
5 | 414031344140 |
6 | 33052335353 |
7 | 5165525310 |
oct | 1455072425 |
9 | 485068006 |
10 | 213153045 |
11 | aa357046 |
12 | 5b474559 |
13 | 35211081 |
14 | 20447977 |
15 | 13aa66d0 |
hex | cb47515 |
213153045 has 32 divisors (see below), whose sum is σ = 403211520. Its totient is φ = 94080000.
The previous prime is 213153013. The next prime is 213153133. The reversal of 213153045 is 540351312.
213153045 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 213153045 - 25 = 213153013 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31956 + ... + 38045.
It is an arithmetic number, because the mean of its divisors is an integer number (12600360).
Almost surely, 2213153045 is an apocalyptic number.
It is an amenable number.
213153045 is a deficient number, since it is larger than the sum of its proper divisors (190058475).
213153045 is a wasteful number, since it uses less digits than its factorization.
213153045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70045.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 213153045 is about 14599.7618131256. The cubic root of 213153045 is about 597.3522635622.
The spelling of 213153045 in words is "two hundred thirteen million, one hundred fifty-three thousand, forty-five".
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