Base | Representation |
---|---|
bin | 111011001011100110… |
… | …0111000111001010011 |
3 | 110011001011202001201020 |
4 | 1312113030320321103 |
5 | 4040240220234341 |
6 | 134215032410523 |
7 | 12116266614315 |
oct | 1662714707123 |
9 | 404034661636 |
10 | 127090789971 |
11 | 4999848a622 |
12 | 2076a546a43 |
13 | bca525a992 |
14 | 6218d777b5 |
15 | 348c755566 |
hex | 1d97338e53 |
127090789971 has 8 divisors (see below), whose sum is σ = 171496006080. Its totient is φ = 83706383592.
The previous prime is 127090789963. The next prime is 127090790003. The reversal of 127090789971 is 179987090721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 127090789971 - 23 = 127090789963 is a prime.
It is not an unprimeable number, because it can be changed into a prime (127090789921) 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, 255202141 + ... + 255202638.
It is an arithmetic number, because the mean of its divisors is an integer number (21437000760).
Almost surely, 2127090789971 is an apocalyptic number.
127090789971 is a deficient number, since it is larger than the sum of its proper divisors (44405216109).
127090789971 is an equidigital number, since it uses as much as digits as its factorization.
127090789971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 510404865.
The product of its (nonzero) digits is 4000752, while the sum is 60.
The spelling of 127090789971 in words is "one hundred twenty-seven billion, ninety million, seven hundred eighty-nine thousand, nine hundred seventy-one".
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