Base | Representation |
---|---|
bin | 1011101001110100101000… |
… | …0101101001010101110000 |
3 | 1200100220221002110012112121 |
4 | 2322131022011221111300 |
5 | 3134412242343004000 |
6 | 43130134301204024 |
7 | 2461501213465624 |
oct | 272351205512560 |
9 | 50326832405477 |
10 | 12813130438000 |
11 | 40a0022104a52 |
12 | 152b32b560614 |
13 | 71c371a7aba9 |
14 | 324231b45184 |
15 | 173473d2cb1a |
hex | ba74a169570 |
12813130438000 has 40 divisors (see below), whose sum is σ = 30982149403920. Its totient is φ = 5125252174400.
The previous prime is 12813130437967. The next prime is 12813130438007. The reversal of 12813130438000 is 83403131821.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12813130438007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3203280610 + ... + 3203284609.
It is an arithmetic number, because the mean of its divisors is an integer number (774553735098).
Almost surely, 212813130438000 is an apocalyptic number.
12813130438000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12813130438000 is an abundant number, since it is smaller than the sum of its proper divisors (18169018965920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12813130438000 is an equidigital number, since it uses as much as digits as its factorization.
12813130438000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6406565242 (or 6406565226 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 34.
Adding to 12813130438000 its reverse (83403131821), we get a palindrome (12896533569821).
The spelling of 12813130438000 in words is "twelve trillion, eight hundred thirteen billion, one hundred thirty million, four hundred thirty-eight thousand".
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