Base | Representation |
---|---|
bin | 1100101011110011101010… |
… | …11001001111110110111111 |
3 | 10122202120222002011200021120 |
4 | 12111321311121033312333 |
5 | 12124001330204014210 |
6 | 135154031402402023 |
7 | 5606144420655030 |
oct | 625716531176677 |
9 | 118676862150246 |
10 | 27893487173055 |
11 | 898461a366969 |
12 | 3165b40500313 |
13 | 1274462ca60ba |
14 | 6c60a28d6a87 |
15 | 335890e2a270 |
hex | 195e7564fdbf |
27893487173055 has 64 divisors (see below), whose sum is σ = 51092770111488. Its totient is φ = 12729430753920.
The previous prime is 27893487173053. The next prime is 27893487173107. The reversal of 27893487173055 is 55037178439872.
It is not a de Polignac number, because 27893487173055 - 21 = 27893487173053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27893487173053) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 468996970 + ... + 469056440.
It is an arithmetic number, because the mean of its divisors is an integer number (798324532992).
Almost surely, 227893487173055 is an apocalyptic number.
27893487173055 is a deficient number, since it is larger than the sum of its proper divisors (23199282938433).
27893487173055 is a wasteful number, since it uses less digits than its factorization.
27893487173055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67076.
The product of its (nonzero) digits is 355622400, while the sum is 69.
The spelling of 27893487173055 in words is "twenty-seven trillion, eight hundred ninety-three billion, four hundred eighty-seven million, one hundred seventy-three thousand, fifty-five".
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