Base | Representation |
---|---|
bin | 1100111000011… |
… | …11010101011110 |
3 | 21112100022212201 |
4 | 12130033111132 |
5 | 210131104032 |
6 | 14420122114 |
7 | 2451355432 |
oct | 634172536 |
9 | 245308781 |
10 | 108066142 |
11 | 56000768 |
12 | 3023633a |
13 | 19509082 |
14 | 104d09c2 |
15 | 97498e7 |
hex | 670f55e |
108066142 has 4 divisors (see below), whose sum is σ = 162099216. Its totient is φ = 54033070.
The previous prime is 108066139. The next prime is 108066143. The reversal of 108066142 is 241660801.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241660801 = 37 ⋅6531373.
It is a self number, because there is not a number n which added to its sum of digits gives 108066142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108066143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27016534 + ... + 27016537.
It is an arithmetic number, because the mean of its divisors is an integer number (40524804).
Almost surely, 2108066142 is an apocalyptic number.
108066142 is a deficient number, since it is larger than the sum of its proper divisors (54033074).
108066142 is an equidigital number, since it uses as much as digits as its factorization.
108066142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54033073.
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 108066142 is about 10395.4866167967. The cubic root of 108066142 is about 476.3175123071.
The spelling of 108066142 in words is "one hundred eight million, sixty-six thousand, one hundred forty-two".
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