Base | Representation |
---|---|
bin | 100100101000101110… |
… | …0110010100010111111 |
3 | 21112002001121110221211 |
4 | 1021101130302202333 |
5 | 2242112013203040 |
6 | 100050533505251 |
7 | 5453443140226 |
oct | 1112134624277 |
9 | 245061543854 |
10 | 78675912895 |
11 | 30403557918 |
12 | 132b84a2227 |
13 | 755aa15318 |
14 | 3b44d87cbd |
15 | 20a71218ea |
hex | 12517328bf |
78675912895 has 16 divisors (see below), whose sum is σ = 99702876672. Its totient is φ = 59478818080.
The previous prime is 78675912883. The next prime is 78675912967. The reversal of 78675912895 is 59821957687.
It is not a de Polignac number, because 78675912895 - 27 = 78675912767 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 78675912895.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4111771 + ... + 4130860.
It is an arithmetic number, because the mean of its divisors is an integer number (6231429792).
Almost surely, 278675912895 is an apocalyptic number.
78675912895 is a deficient number, since it is larger than the sum of its proper divisors (21026963777).
78675912895 is a wasteful number, since it uses less digits than its factorization.
78675912895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8242742.
The product of its digits is 76204800, while the sum is 67.
The spelling of 78675912895 in words is "seventy-eight billion, six hundred seventy-five million, nine hundred twelve thousand, eight hundred ninety-five".
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