Base | Representation |
---|---|
bin | 1110000010111110111111… |
… | …11010001000110111001011 |
3 | 11001100221120012121121122111 |
4 | 13001133133322020313023 |
5 | 13022040344243312410 |
6 | 145410052130403151 |
7 | 6335434622116636 |
oct | 701373772106713 |
9 | 131327505547574 |
10 | 30888866385355 |
11 | 9929992892430 |
12 | 356a576a304b7 |
13 | 1430a663baba4 |
14 | 78b059c40c1d |
15 | 388754b71b8a |
hex | 1c17dfe88dcb |
30888866385355 has 64 divisors (see below), whose sum is σ = 42937255526400. Its totient is φ = 21082807121920.
The previous prime is 30888866385331. The next prime is 30888866385407. The reversal of 30888866385355 is 55358366888803.
It is not a de Polignac number, because 30888866385355 - 231 = 30886718901707 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1976373681 + ... + 1976389309.
It is an arithmetic number, because the mean of its divisors is an integer number (670894617600).
Almost surely, 230888866385355 is an apocalyptic number.
30888866385355 is a deficient number, since it is larger than the sum of its proper divisors (12048389141045).
30888866385355 is a wasteful number, since it uses less digits than its factorization.
30888866385355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21564.
The product of its (nonzero) digits is 3981312000, while the sum is 76.
The spelling of 30888866385355 in words is "thirty trillion, eight hundred eighty-eight billion, eight hundred sixty-six million, three hundred eighty-five thousand, three hundred fifty-five".
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