Base | Representation |
---|---|
bin | 1000000111110… |
… | …11001011100000 |
3 | 11202012202100101 |
4 | 10003323023200 |
5 | 114420401241 |
6 | 10432232144 |
7 | 1455106114 |
oct | 403731340 |
9 | 152182311 |
10 | 68137696 |
11 | 35509950 |
12 | 1a99b654 |
13 | 11168c83 |
14 | 9099744 |
15 | 5eade31 |
hex | 40fb2e0 |
68137696 has 24 divisors (see below), whose sum is σ = 146341944. Its totient is φ = 30971520.
The previous prime is 68137691. The next prime is 68137697. The reversal of 68137696 is 69673186.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68137691) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96435 + ... + 97138.
It is an arithmetic number, because the mean of its divisors is an integer number (6097581).
Almost surely, 268137696 is an apocalyptic number.
It is an amenable number.
68137696 is an abundant number, since it is smaller than the sum of its proper divisors (78204248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68137696 is a wasteful number, since it uses less digits than its factorization.
68137696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193594 (or 193586 counting only the distinct ones).
The product of its digits is 326592, while the sum is 46.
The square root of 68137696 is about 8254.5560752835. The cubic root of 68137696 is about 408.4408281572.
It can be divided in two parts, 681376 and 96, that added together give a cube (681472 = 883).
The spelling of 68137696 in words is "sixty-eight million, one hundred thirty-seven thousand, six hundred ninety-six".
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