Base | Representation |
---|---|
bin | 1101011111110100011… |
… | …0000001100111110001 |
3 | 211011112002011011021002 |
4 | 3113331012001213301 |
5 | 12244342121404331 |
6 | 254305102011345 |
7 | 22516122034520 |
oct | 3277506014761 |
9 | 734462134232 |
10 | 231879481841 |
11 | 8a380a16807 |
12 | 38b33b76b55 |
13 | 18b34bb28b7 |
14 | b319db24b7 |
15 | 60720a69cb |
hex | 35fd1819f1 |
231879481841 has 8 divisors (see below), whose sum is σ = 269349468864. Its totient is φ = 195495581520.
The previous prime is 231879481819. The next prime is 231879481849. The reversal of 231879481841 is 148184978132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-231879481841 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231879481849) 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, 271521215 + ... + 271522068.
It is an arithmetic number, because the mean of its divisors is an integer number (33668683608).
Almost surely, 2231879481841 is an apocalyptic number.
It is an amenable number.
231879481841 is a deficient number, since it is larger than the sum of its proper divisors (37469987023).
231879481841 is an equidigital number, since it uses as much as digits as its factorization.
231879481841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 543043351.
The product of its digits is 3096576, while the sum is 56.
The spelling of 231879481841 in words is "two hundred thirty-one billion, eight hundred seventy-nine million, four hundred eighty-one thousand, eight hundred forty-one".
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