Base | Representation |
---|---|
bin | 111001011110000000… |
… | …0111011011000101100 |
3 | 102210112220011112120111 |
4 | 1302330000323120230 |
5 | 4010222320203030 |
6 | 132410110225404 |
7 | 11626204652410 |
oct | 1627400733054 |
9 | 383486145514 |
10 | 123413444140 |
11 | 48380743238 |
12 | 1bb02ab5264 |
13 | b83a4395bc |
14 | 5d8a812d40 |
15 | 33249b662a |
hex | 1cbc03b62c |
123413444140 has 48 divisors (see below), whose sum is σ = 296213166144. Its totient is φ = 42310195200.
The previous prime is 123413444117. The next prime is 123413444179. The reversal of 123413444140 is 41444314321.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3037560 + ... + 3077920.
It is an arithmetic number, because the mean of its divisors is an integer number (6171107628).
Almost surely, 2123413444140 is an apocalyptic number.
123413444140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123413444140 is an abundant number, since it is smaller than the sum of its proper divisors (172799722004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123413444140 is a wasteful number, since it uses less digits than its factorization.
123413444140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62218 (or 62216 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 31.
Adding to 123413444140 its reverse (41444314321), we get a palindrome (164857758461).
The spelling of 123413444140 in words is "one hundred twenty-three billion, four hundred thirteen million, four hundred forty-four thousand, one hundred forty".
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