Base | Representation |
---|---|
bin | 11111000100101111110100… |
… | …10010010101101010011011 |
3 | 22221221112222200022222211111 |
4 | 33202113322102111222123 |
5 | 32424031120424322022 |
6 | 401155400454241151 |
7 | 20251612215656050 |
oct | 1742277222255233 |
9 | 287845880288744 |
10 | 68332833823387 |
11 | 1a855879295071 |
12 | 77b743b9561b7 |
13 | 2c189b27a68c3 |
14 | 12c3480a6d027 |
15 | 7d77619bc477 |
hex | 3e25fa495a9b |
68332833823387 has 32 divisors (see below), whose sum is σ = 82265273049600. Its totient is φ = 55447584480000.
The previous prime is 68332833823381. The next prime is 68332833823399. The reversal of 68332833823387 is 78332833823386.
It is not a de Polignac number, because 68332833823387 - 243 = 59536740801179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68332833823381) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1530354012 + ... + 1530398662.
It is an arithmetic number, because the mean of its divisors is an integer number (2570789782800).
Almost surely, 268332833823387 is an apocalyptic number.
68332833823387 is a deficient number, since it is larger than the sum of its proper divisors (13932439226213).
68332833823387 is a wasteful number, since it uses less digits than its factorization.
68332833823387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52867.
The product of its digits is 501645312, while the sum is 67.
Subtracting 68332833823387 from its reverse (78332833823386), we obtain a palindrome (9999999999999).
The spelling of 68332833823387 in words is "sixty-eight trillion, three hundred thirty-two billion, eight hundred thirty-three million, eight hundred twenty-three thousand, three hundred eighty-seven".
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