Base | Representation |
---|---|
bin | 11011111111110011101110… |
… | …111011011111011100010100 |
3 | 121010222022112220212022020101 |
4 | 123333303232323133130110 |
5 | 112114344101014430140 |
6 | 1113514041534343444 |
7 | 34636000664424523 |
oct | 3377635673373424 |
9 | 533868486768211 |
10 | 123132131014420 |
11 | 36263052a00760 |
12 | 119879b965ab84 |
13 | 539240548ab78 |
14 | 22598ac4724ba |
15 | e37e38d4e99a |
hex | 6ffceeedf714 |
123132131014420 has 48 divisors (see below), whose sum is σ = 298677725293248. Its totient is φ = 42141477992960.
The previous prime is 123132131014393. The next prime is 123132131014423. The reversal of 123132131014420 is 24410131231321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123132131014423) 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, 16461511102 + ... + 16461518581.
It is an arithmetic number, because the mean of its divisors is an integer number (6222452610276).
Almost surely, 2123132131014420 is an apocalyptic number.
123132131014420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123132131014420 is an abundant number, since it is smaller than the sum of its proper divisors (175545594278828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123132131014420 is a wasteful number, since it uses less digits than its factorization.
123132131014420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32923029720 (or 32923029718 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 28.
Adding to 123132131014420 its reverse (24410131231321), we get a palindrome (147542262245741).
The spelling of 123132131014420 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, one hundred thirty-one million, fourteen thousand, four hundred twenty".
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