Base | Representation |
---|---|
bin | 100100010111101000… |
… | …0101001100001110110 |
3 | 21110121002021011200202 |
4 | 1020233100221201312 |
5 | 2234423142224021 |
6 | 55514003240502 |
7 | 5433306431534 |
oct | 1105720514166 |
9 | 243532234622 |
10 | 78102304886 |
11 | 30139795711 |
12 | 13178379132 |
13 | 7498c2a3b8 |
14 | 3accb11154 |
15 | 2071ab8a0b |
hex | 122f429876 |
78102304886 has 8 divisors (see below), whose sum is σ = 117269568840. Its totient is φ = 39012448608.
The previous prime is 78102304879. The next prime is 78102304919. The reversal of 78102304886 is 68840320187.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 78102304886.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 19349396 + ... + 19353431.
It is an arithmetic number, because the mean of its divisors is an integer number (14658696105).
Almost surely, 278102304886 is an apocalyptic number.
78102304886 is a deficient number, since it is larger than the sum of its proper divisors (39167263954).
78102304886 is a wasteful number, since it uses less digits than its factorization.
78102304886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38703838.
The product of its (nonzero) digits is 516096, while the sum is 47.
The spelling of 78102304886 in words is "seventy-eight billion, one hundred two million, three hundred four thousand, eight hundred eighty-six".
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