Base | Representation |
---|---|
bin | 100100110001011100… |
… | …0010010110011100001 |
3 | 21112211102212002110211 |
4 | 1021202320102303201 |
5 | 2243211343214320 |
6 | 100135541254121 |
7 | 5463623530426 |
oct | 1114270226341 |
9 | 245742762424 |
10 | 78968335585 |
11 | 30543626367 |
12 | 1337a404341 |
13 | 75a648c1b9 |
14 | 3b71b47d4d |
15 | 20c2b3555a |
hex | 1262e12ce1 |
78968335585 has 8 divisors (see below), whose sum is σ = 98882089920. Its totient is φ = 60427943664.
The previous prime is 78968335577. The next prime is 78968335601. The reversal of 78968335585 is 58553386987.
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 78968335585 - 23 = 78968335577 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 78968335585.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343340475 + ... + 343340704.
It is an arithmetic number, because the mean of its divisors is an integer number (12360261240).
Almost surely, 278968335585 is an apocalyptic number.
It is an amenable number.
78968335585 is a deficient number, since it is larger than the sum of its proper divisors (19913754335).
78968335585 is a wasteful number, since it uses less digits than its factorization.
78968335585 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 686681207.
The product of its digits is 217728000, while the sum is 67.
The spelling of 78968335585 in words is "seventy-eight billion, nine hundred sixty-eight million, three hundred thirty-five thousand, five hundred eighty-five".
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