Base | Representation |
---|---|
bin | 1000000111000… |
… | …11110101111010 |
3 | 11202000220020000 |
4 | 10003203311322 |
5 | 114404321411 |
6 | 10430213430 |
7 | 1454230326 |
oct | 403436572 |
9 | 152026200 |
10 | 68042106 |
11 | 35454050 |
12 | 1a954276 |
13 | 11134602 |
14 | 9072986 |
15 | 5e90956 |
hex | 40e3d7a |
68042106 has 40 divisors (see below), whose sum is σ = 166329504. Its totient is φ = 20618280.
The previous prime is 68042099. The next prime is 68042113. The reversal of 68042106 is 60124086.
It is an interprime number because it is at equal distance from previous prime (68042099) and next prime (68042113).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 68042106.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17310 + ... + 20873.
Almost surely, 268042106 is an apocalyptic number.
68042106 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
68042106 is an abundant number, since it is smaller than the sum of its proper divisors (98287398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68042106 is a wasteful number, since it uses less digits than its factorization.
68042106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38208 (or 38199 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 68042106 is about 8248.7639073985. The cubic root of 68042106 is about 408.2497389708.
The spelling of 68042106 in words is "sixty-eight million, forty-two thousand, one hundred six".
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