Base | Representation |
---|---|
bin | 10001101001100101001111… |
… | …00010010101000101101111 |
3 | 12002102101220102220001100011 |
4 | 20310302213202111011233 |
5 | 20041344223112443012 |
6 | 214314014312514051 |
7 | 11114040615401464 |
oct | 1064624742250557 |
9 | 162371812801304 |
10 | 38812135281007 |
11 | 11404152599240 |
12 | 442a0756ab927 |
13 | 1886c7918ba0a |
14 | 98273594566b |
15 | 4748d55c51a7 |
hex | 234ca789516f |
38812135281007 has 8 divisors (see below), whose sum is σ = 43058146999680. Its totient is φ = 34685729526360.
The previous prime is 38812135280987. The next prime is 38812135281011. The reversal of 38812135281007 is 70018253121883.
38812135281007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-38812135281007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38812135281107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29901490323 + ... + 29901491620.
It is an arithmetic number, because the mean of its divisors is an integer number (5382268374960).
Almost surely, 238812135281007 is an apocalyptic number.
38812135281007 is a deficient number, since it is larger than the sum of its proper divisors (4246011718673).
38812135281007 is a wasteful number, since it uses less digits than its factorization.
38812135281007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59802982013.
The product of its (nonzero) digits is 645120, while the sum is 49.
The spelling of 38812135281007 in words is "thirty-eight trillion, eight hundred twelve billion, one hundred thirty-five million, two hundred eighty-one thousand, seven".
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