Base | Representation |
---|---|
bin | 11001111101011011… |
… | …000000010111010101 |
3 | 2122221120220200212111 |
4 | 121331123000113111 |
5 | 424041223111112 |
6 | 20445525151021 |
7 | 2004513250423 |
oct | 317533002725 |
9 | 78846820774 |
10 | 27874035157 |
11 | 109041911a1 |
12 | 549ab5b471 |
13 | 2822ab5b37 |
14 | 14c5d60113 |
15 | ad21835a7 |
hex | 67d6c05d5 |
27874035157 has 2 divisors, whose sum is σ = 27874035158. Its totient is φ = 27874035156.
The previous prime is 27874035149. The next prime is 27874035209. The reversal of 27874035157 is 75153047872.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20243313841 + 7630721316 = 142279^2 + 87354^2 .
It is a cyclic number.
It is not a de Polignac number, because 27874035157 - 23 = 27874035149 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 27874035157.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (27874035457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13937017578 + 13937017579.
It is an arithmetic number, because the mean of its divisors is an integer number (13937017579).
Almost surely, 227874035157 is an apocalyptic number.
It is an amenable number.
27874035157 is a deficient number, since it is larger than the sum of its proper divisors (1).
27874035157 is an equidigital number, since it uses as much as digits as its factorization.
27874035157 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1646400, while the sum is 49.
The spelling of 27874035157 in words is "twenty-seven billion, eight hundred seventy-four million, thirty-five thousand, one hundred fifty-seven".
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