Base | Representation |
---|---|
bin | 100100101101101101… |
… | …0000111101001000010 |
3 | 21112111200222121211112 |
4 | 1021123122013221002 |
5 | 2242432301010101 |
6 | 100115302443322 |
7 | 5460542213051 |
oct | 1113332075102 |
9 | 245450877745 |
10 | 78842985026 |
11 | 3048989a663 |
12 | 13344433542 |
13 | 7586510a80 |
14 | 3b5d238398 |
15 | 20b6b246bb |
hex | 125b687a42 |
78842985026 has 32 divisors (see below), whose sum is σ = 128433144000. Its totient is φ = 36083900736.
The previous prime is 78842984977. The next prime is 78842985031. The reversal of 78842985026 is 62058924887.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017565 + ... + 2056271.
It is an arithmetic number, because the mean of its divisors is an integer number (4013535750).
Almost surely, 278842985026 is an apocalyptic number.
78842985026 is a deficient number, since it is larger than the sum of its proper divisors (49590158974).
78842985026 is a wasteful number, since it uses less digits than its factorization.
78842985026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39378.
The product of its (nonzero) digits is 15482880, while the sum is 59.
The spelling of 78842985026 in words is "seventy-eight billion, eight hundred forty-two million, nine hundred eighty-five thousand, twenty-six".
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