Base | Representation |
---|---|
bin | 1000001101000… |
… | …01101011111110 |
3 | 11210111101220011 |
4 | 10012201223332 |
5 | 120104212320 |
6 | 10455013434 |
7 | 1463646361 |
oct | 406415376 |
9 | 153441804 |
10 | 68819710 |
11 | 359352a3 |
12 | 1b06a27a |
13 | 1134752b |
14 | 91d60d8 |
15 | 609605a |
hex | 41a1afe |
68819710 has 32 divisors (see below), whose sum is σ = 130960800. Its totient is φ = 25966080.
The previous prime is 68819693. The next prime is 68819713. The reversal of 68819710 is 1791886.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68819713) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52746 + ... + 54034.
It is an arithmetic number, because the mean of its divisors is an integer number (4092525).
Almost surely, 268819710 is an apocalyptic number.
68819710 is a deficient number, since it is larger than the sum of its proper divisors (62141090).
68819710 is a wasteful number, since it uses less digits than its factorization.
68819710 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1596.
The product of its (nonzero) digits is 24192, while the sum is 40.
The square root of 68819710 is about 8295.7645820021. The cubic root of 68819710 is about 409.7990488579.
The spelling of 68819710 in words is "sixty-eight million, eight hundred nineteen thousand, seven hundred ten".
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