Base | Representation |
---|---|
bin | 11100010011100011101… |
… | …011100100110100011011 |
3 | 20212221202111121121210120 |
4 | 130103203223210310123 |
5 | 223332124114200302 |
6 | 4045330505244323 |
7 | 260350336166022 |
oct | 34234353446433 |
9 | 6787674547716 |
10 | 1945145068827 |
11 | 68aa27755124 |
12 | 274b951936a3 |
13 | 111570a2930c |
14 | 6a2074618b9 |
15 | 358e72d99bc |
hex | 1c4e3ae4d1b |
1945145068827 has 8 divisors (see below), whose sum is σ = 2594353524816. Its totient is φ = 1296349996032.
The previous prime is 1945145068799. The next prime is 1945145068829. The reversal of 1945145068827 is 7288605415491.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1945145068827 - 211 = 1945145066779 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1945145068829) 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, 103334818 + ... + 103353639.
It is an arithmetic number, because the mean of its divisors is an integer number (324294190602).
Almost surely, 21945145068827 is an apocalyptic number.
1945145068827 is a deficient number, since it is larger than the sum of its proper divisors (649208455989).
1945145068827 is a wasteful number, since it uses less digits than its factorization.
1945145068827 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206691597.
The product of its (nonzero) digits is 19353600, while the sum is 60.
The spelling of 1945145068827 in words is "one trillion, nine hundred forty-five billion, one hundred forty-five million, sixty-eight thousand, eight hundred twenty-seven".
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