Base | Representation |
---|---|
bin | 1000000110111… |
… | …10101101111000 |
3 | 11201222211102110 |
4 | 10003132231320 |
5 | 114403133422 |
6 | 10425532320 |
7 | 1454112165 |
oct | 403365570 |
9 | 151884373 |
10 | 68021112 |
11 | 3543a2a5 |
12 | 1a9440a0 |
13 | 11127ba3 |
14 | 906906c |
15 | 5e8960c |
hex | 40deb78 |
68021112 has 16 divisors (see below), whose sum is σ = 170052840. Its totient is φ = 22673696.
The previous prime is 68021071. The next prime is 68021117. The reversal of 68021112 is 21112086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68021117) 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, 1417083 + ... + 1417130.
Almost surely, 268021112 is an apocalyptic number.
It is an amenable number.
68021112 is an abundant number, since it is smaller than the sum of its proper divisors (102031728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68021112 is a wasteful number, since it uses less digits than its factorization.
68021112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2834222 (or 2834218 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 68021112 is about 8247.4912549211. The cubic root of 68021112 is about 408.2077469496.
Adding to 68021112 its reverse (21112086), we get a palindrome (89133198).
The spelling of 68021112 in words is "sixty-eight million, twenty-one thousand, one hundred twelve".
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