Base | Representation |
---|---|
bin | 111111011000001100… |
… | …111001100001010110 |
3 | 20111122122102001221211 |
4 | 333120030321201112 |
5 | 2103332223110210 |
6 | 51132413332034 |
7 | 4626246332101 |
oct | 773014714126 |
9 | 214578361854 |
10 | 68051769430 |
11 | 269514a4667 |
12 | 1123249701a |
13 | 6556927bb8 |
14 | 3417d95738 |
15 | 1b8457738a |
hex | fd8339856 |
68051769430 has 16 divisors (see below), whose sum is σ = 122517527184. Its totient is φ = 27215298400.
The previous prime is 68051769413. The next prime is 68051769433. The reversal of 68051769430 is 3496715086.
It is a super-3 number, since 3×680517694303 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68051769433) 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 7 ways as a sum of consecutive naturals, for example, 623137 + ... + 724156.
It is an arithmetic number, because the mean of its divisors is an integer number (7657345449).
Almost surely, 268051769430 is an apocalyptic number.
68051769430 is a deficient number, since it is larger than the sum of its proper divisors (54465757754).
68051769430 is a wasteful number, since it uses less digits than its factorization.
68051769430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1352351.
The product of its (nonzero) digits is 1088640, while the sum is 49.
It can be divided in two parts, 680517 and 69430, that added together give a palindrome (749947).
The spelling of 68051769430 in words is "sixty-eight billion, fifty-one million, seven hundred sixty-nine thousand, four hundred thirty".
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