Base | Representation |
---|---|
bin | 11001010001001001… |
… | …101111100011100011 |
3 | 2121000211100110201120 |
4 | 121101021233203203 |
5 | 421031103443410 |
6 | 20244114103323 |
7 | 1650224231010 |
oct | 312111574343 |
9 | 77024313646 |
10 | 27131312355 |
11 | 10562a115a4 |
12 | 531227ab43 |
13 | 2734c687a4 |
14 | 1455464707 |
15 | a8bd72570 |
hex | 65126f8e3 |
27131312355 has 128 divisors (see below), whose sum is σ = 52961402880. Its totient is φ = 11598182400.
The previous prime is 27131312291. The next prime is 27131312389. The reversal of 27131312355 is 55321313172.
It is not a de Polignac number, because 27131312355 - 26 = 27131312291 is a prime.
It is a super-2 number, since 2×271313123552 (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 127 ways as a sum of consecutive naturals, for example, 14453677 + ... + 14455553.
It is an arithmetic number, because the mean of its divisors is an integer number (413760960).
Almost surely, 227131312355 is an apocalyptic number.
27131312355 is a deficient number, since it is larger than the sum of its proper divisors (25830090525).
27131312355 is a wasteful number, since it uses less digits than its factorization.
27131312355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2069.
The product of its digits is 18900, while the sum is 33.
The spelling of 27131312355 in words is "twenty-seven billion, one hundred thirty-one million, three hundred twelve thousand, three hundred fifty-five".
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