Base | Representation |
---|---|
bin | 11001010001001010… |
… | …100111010011100010 |
3 | 2121000211210001222000 |
4 | 121101022213103202 |
5 | 421031133300311 |
6 | 20244123024430 |
7 | 1650226201524 |
oct | 312112472342 |
9 | 77024701860 |
10 | 27131540706 |
11 | 10563058116 |
12 | 531236b116 |
13 | 27350186ca |
14 | 14554c3a14 |
15 | a8bdba056 |
hex | 6512a74e2 |
27131540706 has 64 divisors (see below), whose sum is σ = 60588000000. Its totient is φ = 8999617536.
The previous prime is 27131540651. The next prime is 27131540717. The reversal of 27131540706 is 60704513172.
It is a happy number.
27131540706 is a `hidden beast` number, since 271 + 315 + 4 + 0 + 70 + 6 = 666.
It is a super-2 number, since 2×271315407062 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10642720 + ... + 10645268.
It is an arithmetic number, because the mean of its divisors is an integer number (946687500).
Almost surely, 227131540706 is an apocalyptic number.
27131540706 is an abundant number, since it is smaller than the sum of its proper divisors (33456459294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27131540706 is a wasteful number, since it uses less digits than its factorization.
27131540706 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3448 (or 3442 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 36.
The spelling of 27131540706 in words is "twenty-seven billion, one hundred thirty-one million, five hundred forty thousand, seven hundred six".
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