Base | Representation |
---|---|
bin | 1000000111101… |
… | …11010111011101 |
3 | 11202011221220220 |
4 | 10003313113131 |
5 | 114414401302 |
6 | 10432031553 |
7 | 1455012432 |
oct | 403672735 |
9 | 152157826 |
10 | 68122077 |
11 | 354a9141 |
12 | 1a9925b9 |
13 | 11161b2a |
14 | 9093b89 |
15 | 5ea94bc |
hex | 40f75dd |
68122077 has 16 divisors (see below), whose sum is σ = 96373440. Its totient is φ = 42653952.
The previous prime is 68122063. The next prime is 68122091. The reversal of 68122077 is 77022186.
It is an interprime number because it is at equal distance from previous prime (68122063) and next prime (68122091).
It is not a de Polignac number, because 68122077 - 211 = 68120029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68122007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30174 + ... + 32352.
It is an arithmetic number, because the mean of its divisors is an integer number (6023340).
Almost surely, 268122077 is an apocalyptic number.
It is an amenable number.
68122077 is a deficient number, since it is larger than the sum of its proper divisors (28251363).
68122077 is a wasteful number, since it uses less digits than its factorization.
68122077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2812.
The product of its (nonzero) digits is 9408, while the sum is 33.
The square root of 68122077 is about 8253.6099374758. The cubic root of 68122077 is about 408.4096172163.
The spelling of 68122077 in words is "sixty-eight million, one hundred twenty-two thousand, seventy-seven".
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