Base | Representation |
---|---|
bin | 100100100011000101… |
… | …1101001010101011111 |
3 | 21111120212220001221210 |
4 | 1021012023221111133 |
5 | 2241220114304333 |
6 | 100020101555503 |
7 | 5445656244651 |
oct | 1110613512537 |
9 | 244525801853 |
10 | 78486869343 |
11 | 30316878683 |
12 | 13265115b93 |
13 | 752a7c602c |
14 | 3b27c186d1 |
15 | 209572da63 |
hex | 12462e955f |
78486869343 has 32 divisors (see below), whose sum is σ = 108201139200. Its totient is φ = 50568800256.
The previous prime is 78486869311. The next prime is 78486869347. The reversal of 78486869343 is 34396868487.
It is not a de Polignac number, because 78486869343 - 25 = 78486869311 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78486869347) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 10476543 + ... + 10484031.
It is an arithmetic number, because the mean of its divisors is an integer number (3381285600).
Almost surely, 278486869343 is an apocalyptic number.
78486869343 is a deficient number, since it is larger than the sum of its proper divisors (29714269857).
78486869343 is a wasteful number, since it uses less digits than its factorization.
78486869343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8151.
The product of its digits is 167215104, while the sum is 66.
The spelling of 78486869343 in words is "seventy-eight billion, four hundred eighty-six million, eight hundred sixty-nine thousand, three hundred forty-three".
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