Base | Representation |
---|---|
bin | 100100100011000101… |
… | …0101111010000100111 |
3 | 21111120212102222122102 |
4 | 1021012022233100213 |
5 | 2241220034201323 |
6 | 100020052522315 |
7 | 5445654234302 |
oct | 1110612572047 |
9 | 244525388572 |
10 | 78486631463 |
11 | 30316725989 |
12 | 1326502039b |
13 | 752a741986 |
14 | 3b27b95b39 |
15 | 20956d3328 |
hex | 12462af427 |
78486631463 has 8 divisors (see below), whose sum is σ = 80160584448. Its totient is φ = 76812846264.
The previous prime is 78486631459. The next prime is 78486631471. The reversal of 78486631463 is 36413668487.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 78486631463 - 22 = 78486631459 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 78486631399 and 78486631408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78486631453) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1504820 + ... + 1556102.
It is an arithmetic number, because the mean of its divisors is an integer number (10020073056).
Almost surely, 278486631463 is an apocalyptic number.
78486631463 is a deficient number, since it is larger than the sum of its proper divisors (1673952985).
78486631463 is a wasteful number, since it uses less digits than its factorization.
78486631463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83893.
The product of its digits is 13934592, while the sum is 56.
The spelling of 78486631463 in words is "seventy-eight billion, four hundred eighty-six million, six hundred thirty-one thousand, four hundred sixty-three".
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