Base | Representation |
---|---|
bin | 1010111111010110111100… |
… | …1000010011101110100101 |
3 | 1120210011220101020202102021 |
4 | 2233311233020103232211 |
5 | 3040434212001440311 |
6 | 41411044351543141 |
7 | 2355004025435410 |
oct | 257655710235645 |
9 | 46704811222367 |
10 | 12083607452581 |
11 | 39396a142a455 |
12 | 1431a7382aab1 |
13 | 698630013a12 |
14 | 2dabc78c6b77 |
15 | 15e4c7e74171 |
hex | afd6f213ba5 |
12083607452581 has 16 divisors (see below), whose sum is σ = 13833824937984. Its totient is φ = 10339394655744.
The previous prime is 12083607452569. The next prime is 12083607452599. The reversal of 12083607452581 is 18525470638021.
It is a de Polignac number, because none of the positive numbers 2k-12083607452581 is a prime.
It is a super-2 number, since 2×120836074525812 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12083607452281) 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, 18585660 + ... + 19224826.
It is an arithmetic number, because the mean of its divisors is an integer number (864614058624).
Almost surely, 212083607452581 is an apocalyptic number.
It is an amenable number.
12083607452581 is a deficient number, since it is larger than the sum of its proper divisors (1750217485403).
12083607452581 is an equidigital number, since it uses as much as digits as its factorization.
12083607452581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 643860.
The product of its (nonzero) digits is 3225600, while the sum is 52.
The spelling of 12083607452581 in words is "twelve trillion, eighty-three billion, six hundred seven million, four hundred fifty-two thousand, five hundred eighty-one".
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