Base | Representation |
---|---|
bin | 1000001011001… |
… | …01111110000111 |
3 | 11210000222100221 |
4 | 10011211332013 |
5 | 120023400421 |
6 | 10445445211 |
7 | 1461610303 |
oct | 405457607 |
9 | 153028327 |
10 | 68575111 |
11 | 35788550 |
12 | 1ab70807 |
13 | 112900b7 |
14 | 9170d03 |
15 | 6048841 |
hex | 4165f87 |
68575111 has 16 divisors (see below), whose sum is σ = 77811840. Its totient is φ = 59862880.
The previous prime is 68575099. The next prime is 68575141. The reversal of 68575111 is 11157586.
It is not a de Polignac number, because 68575111 - 221 = 66477959 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68575141) 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, 71940 + ... + 72886.
It is an arithmetic number, because the mean of its divisors is an integer number (4863240).
Almost surely, 268575111 is an apocalyptic number.
68575111 is a deficient number, since it is larger than the sum of its proper divisors (9236729).
68575111 is a wasteful number, since it uses less digits than its factorization.
68575111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1214.
The product of its digits is 8400, while the sum is 34.
The square root of 68575111 is about 8281.0090568722. The cubic root of 68575111 is about 409.3129699616.
It can be divided in two parts, 68575 and 111, that added together give a palindrome (68686).
The spelling of 68575111 in words is "sixty-eight million, five hundred seventy-five thousand, one hundred eleven".
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