Base | Representation |
---|---|
bin | 11001100111100000… |
… | …001010111001110101 |
3 | 2121222221221022202100 |
4 | 121213200022321311 |
5 | 422313102242133 |
6 | 20345231132313 |
7 | 1662426416106 |
oct | 314740127165 |
9 | 77887838670 |
10 | 27506290293 |
11 | 10735647019 |
12 | 53b7974099 |
13 | 2794858b21 |
14 | 148d1943ad |
15 | aaec41e13 |
hex | 66780ae75 |
27506290293 has 12 divisors (see below), whose sum is σ = 40576655808. Its totient is φ = 17947366440.
The previous prime is 27506290271. The next prime is 27506290303. The reversal of 27506290293 is 39209260572.
It is a happy number.
27506290293 is a `hidden beast` number, since 2 + 75 + 0 + 6 + 290 + 293 = 666.
It is not a de Polignac number, because 27506290293 - 29 = 27506289781 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27506290093) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32512923 + ... + 32513768.
It is an arithmetic number, because the mean of its divisors is an integer number (3381387984).
Almost surely, 227506290293 is an apocalyptic number.
It is an amenable number.
27506290293 is a deficient number, since it is larger than the sum of its proper divisors (13070365515).
27506290293 is a wasteful number, since it uses less digits than its factorization.
27506290293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65026744 (or 65026741 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 45.
The spelling of 27506290293 in words is "twenty-seven billion, five hundred six million, two hundred ninety thousand, two hundred ninety-three".
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