Base | Representation |
---|---|
bin | 111101011010100001… |
… | …0111000000111011101 |
3 | 110121102101121210022122 |
4 | 1322311002320013131 |
5 | 4130100412332432 |
6 | 140330544152325 |
7 | 12346161215003 |
oct | 1726502700735 |
9 | 417371553278 |
10 | 131886449117 |
11 | 50a2950a295 |
12 | 216886086a5 |
13 | c58a972507 |
14 | 6551c46a73 |
15 | 366d796612 |
hex | 1eb50b81dd |
131886449117 has 8 divisors (see below), whose sum is σ = 134233862400. Its totient is φ = 129555985104.
The previous prime is 131886449077. The next prime is 131886449171. The reversal of 131886449117 is 711944688131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131886449117 - 26 = 131886449053 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 (131886419117) 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, 4221617 + ... + 4252742.
It is an arithmetic number, because the mean of its divisors is an integer number (16779232800).
Almost surely, 2131886449117 is an apocalyptic number.
It is an amenable number.
131886449117 is a deficient number, since it is larger than the sum of its proper divisors (2347413283).
131886449117 is an equidigital number, since it uses as much as digits as its factorization.
131886449117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8474635.
The product of its digits is 1161216, while the sum is 53.
The spelling of 131886449117 in words is "one hundred thirty-one billion, eight hundred eighty-six million, four hundred forty-nine thousand, one hundred seventeen".
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