Base | Representation |
---|---|
bin | 100000000010101101… |
… | …0111010111000011110 |
3 | 20120121111221111112112 |
4 | 1000011122322320132 |
5 | 2111410431412432 |
6 | 51335554034022 |
7 | 4654120626431 |
oct | 1000532727036 |
9 | 216544844475 |
10 | 68810419742 |
11 | 27200762899 |
12 | 11404578912 |
13 | 6647b60acc |
14 | 348aa39818 |
15 | 1bcae827b2 |
hex | 10056bae1e |
68810419742 has 8 divisors (see below), whose sum is σ = 103267791000. Its totient is φ = 34387822744.
The previous prime is 68810419723. The next prime is 68810419781. The reversal of 68810419742 is 24791401886.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 8688617 + ... + 8696532.
It is an arithmetic number, because the mean of its divisors is an integer number (12908473875).
Almost surely, 268810419742 is an apocalyptic number.
68810419742 is a deficient number, since it is larger than the sum of its proper divisors (34457371258).
68810419742 is a wasteful number, since it uses less digits than its factorization.
68810419742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17387130.
The product of its (nonzero) digits is 774144, while the sum is 50.
The spelling of 68810419742 in words is "sixty-eight billion, eight hundred ten million, four hundred nineteen thousand, seven hundred forty-two".
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