Base | Representation |
---|---|
bin | 111001011010010011… |
… | …1111001100001001110 |
3 | 102210020020211121010210 |
4 | 1302310213321201032 |
5 | 4004444044124012 |
6 | 132345520343250 |
7 | 11623140653301 |
oct | 1626447714116 |
9 | 383206747123 |
10 | 123289442382 |
11 | 48317748947 |
12 | 1ba89474b26 |
13 | b81a841092 |
14 | 5d78174b38 |
15 | 3318b7023c |
hex | 1cb49f984e |
123289442382 has 16 divisors (see below), whose sum is σ = 251231317200. Its totient is φ = 40321075392.
The previous prime is 123289442371. The next prime is 123289442413. The reversal of 123289442382 is 283244982321.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193851007 + ... + 193851642.
It is an arithmetic number, because the mean of its divisors is an integer number (15701957325).
Almost surely, 2123289442382 is an apocalyptic number.
123289442382 is an abundant number, since it is smaller than the sum of its proper divisors (127941874818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123289442382 is a wasteful number, since it uses less digits than its factorization.
123289442382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387702707.
The product of its digits is 1327104, while the sum is 48.
The spelling of 123289442382 in words is "one hundred twenty-three billion, two hundred eighty-nine million, four hundred forty-two thousand, three hundred eighty-two".
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