Base | Representation |
---|---|
bin | 11111000001010010110100… |
… | …10110011010010010010000 |
3 | 22221112012201221022101011121 |
4 | 33200221122112122102100 |
5 | 32420110123210404334 |
6 | 401025055320452024 |
7 | 20240212062453100 |
oct | 1740513226322220 |
9 | 287465657271147 |
10 | 68214186419344 |
11 | 1a80a523991349 |
12 | 779844901a014 |
13 | 2c0a7548b1394 |
14 | 12bb827219200 |
15 | 7d461a645db4 |
hex | 3e0a5a59a490 |
68214186419344 has 135 divisors (see below), whose sum is σ = 154338903994617. Its totient is φ = 29121764740992.
The previous prime is 68214186419341. The next prime is 68214186419377. The reversal of 68214186419344 is 44391468141286.
The square root of 68214186419344 is 8259188.
It is a perfect power (a square), and thus also a powerful number.
68214186419344 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 45715177690000 + 22499008729344 = 6761300^2 + 4743312^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68214186419341) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 91809133437 + ... + 91809134179.
Almost surely, 268214186419344 is an apocalyptic number.
68214186419344 is the 8259188-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68214186419344
68214186419344 is an abundant number, since it is smaller than the sum of its proper divisors (86124717575273).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68214186419344 is an frugal number, since it uses more digits than its factorization.
68214186419344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2302 (or 1149 counting only the distinct ones).
The product of its digits is 31850496, while the sum is 61.
The spelling of 68214186419344 in words is "sixty-eight trillion, two hundred fourteen billion, one hundred eighty-six million, four hundred nineteen thousand, three hundred forty-four".
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