Base | Representation |
---|---|
bin | 110110001010100111000… |
… | …1011111100101010101101 |
3 | 222100200112022110112011211 |
4 | 1230111032023330222231 |
5 | 1433432303430011033 |
6 | 23455541310314421 |
7 | 1365563255412100 |
oct | 154251613745255 |
9 | 28320468415154 |
10 | 7444490078893 |
11 | 241021063248a |
12 | a029607b8a11 |
13 | 42002132b02a |
14 | 1ba45b04c737 |
15 | cd9acdad2cd |
hex | 6c54e2fcaad |
7444490078893 has 24 divisors (see below), whose sum is σ = 9036659455488. Its totient is φ = 6103405588896.
The previous prime is 7444490078891. The next prime is 7444490078923. The reversal of 7444490078893 is 3988700944447.
It is not a de Polignac number, because 7444490078893 - 21 = 7444490078891 is a prime.
It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7444490078891) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80267055 + ... + 80359747.
It is an arithmetic number, because the mean of its divisors is an integer number (376527477312).
Almost surely, 27444490078893 is an apocalyptic number.
It is an amenable number.
7444490078893 is a deficient number, since it is larger than the sum of its proper divisors (1592169376595).
7444490078893 is a wasteful number, since it uses less digits than its factorization.
7444490078893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163993 (or 163986 counting only the distinct ones).
The product of its (nonzero) digits is 195084288, while the sum is 67.
The spelling of 7444490078893 in words is "seven trillion, four hundred forty-four billion, four hundred ninety million, seventy-eight thousand, eight hundred ninety-three".
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