Base | Representation |
---|---|
bin | 11001010001000110… |
… | …010010010010110101 |
3 | 2121000202122102112102 |
4 | 121101012102102311 |
5 | 421030340443234 |
6 | 20244042431445 |
7 | 1650213434534 |
oct | 312106222265 |
9 | 77022572472 |
10 | 27130406069 |
11 | 105624526a8 |
12 | 5311b02585 |
13 | 2734a0c120 |
14 | 14552aa31b |
15 | a8bc43c7e |
hex | 6511924b5 |
27130406069 has 16 divisors (see below), whose sum is σ = 29740435200. Its totient is φ = 24595899456.
The previous prime is 27130406021. The next prime is 27130406087. The reversal of 27130406069 is 96060403172.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-27130406069 is a prime.
It is a super-2 number, since 2×271304060692 (a number of 22 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 (27130406669) 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, 829967 + ... + 862035.
It is an arithmetic number, because the mean of its divisors is an integer number (1858777200).
Almost surely, 227130406069 is an apocalyptic number.
It is an amenable number.
27130406069 is a deficient number, since it is larger than the sum of its proper divisors (2610029131).
27130406069 is a wasteful number, since it uses less digits than its factorization.
27130406069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33244.
The product of its (nonzero) digits is 54432, while the sum is 38.
The spelling of 27130406069 in words is "twenty-seven billion, one hundred thirty million, four hundred six thousand, sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •