Base | Representation |
---|---|
bin | 11001011001111001… |
… | …011110111110001110 |
3 | 2121102001110021011120 |
4 | 121121321132332032 |
5 | 421331134420240 |
6 | 20310435101410 |
7 | 1653655362123 |
oct | 313171367616 |
9 | 77361407146 |
10 | 27278045070 |
11 | 10628822001 |
12 | 5353441866 |
13 | 2759492493 |
14 | 146ab3c74a |
15 | a99ba8ad0 |
hex | 659e5ef8e |
27278045070 has 32 divisors (see below), whose sum is σ = 65884308768. Its totient is φ = 7227811968.
The previous prime is 27278045033. The next prime is 27278045071. The reversal of 27278045070 is 7054087272.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27278045071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2891049 + ... + 2900468.
It is an arithmetic number, because the mean of its divisors is an integer number (2058884649).
Almost surely, 227278045070 is an apocalyptic number.
27278045070 is an abundant number, since it is smaller than the sum of its proper divisors (38606263698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27278045070 is a wasteful number, since it uses less digits than its factorization.
27278045070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5791684.
The product of its (nonzero) digits is 219520, while the sum is 42.
The spelling of 27278045070 in words is "twenty-seven billion, two hundred seventy-eight million, forty-five thousand, seventy".
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