Search a number
-
+
26997126855 = 351799808457
BaseRepresentation
bin11001001001001001…
…110111011011000111
32120200110212010211020
4121021021313123013
5420242231024410
620222522042223
71644004535436
oct311111673307
976613763736
1026997126855
11104a41a0a96
125295349373
132713215b9a
1414416d511d
15a801b8a70
hex6492776c7

26997126855 has 8 divisors (see below), whose sum is σ = 43195402992. Its totient is φ = 14398467648.

The previous prime is 26997126853. The next prime is 26997126859. The reversal of 26997126855 is 55862179962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26997126855 - 21 = 26997126853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26997126853) 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 in 7 ways as a sum of consecutive naturals, for example, 899904214 + ... + 899904243.

It is an arithmetic number, because the mean of its divisors is an integer number (5399425374).

Almost surely, 226997126855 is an apocalyptic number.

26997126855 is a deficient number, since it is larger than the sum of its proper divisors (16198276137).

26997126855 is a wasteful number, since it uses less digits than its factorization.

26997126855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799808465.

The product of its digits is 16329600, while the sum is 60.

The spelling of 26997126855 in words is "twenty-six billion, nine hundred ninety-seven million, one hundred twenty-six thousand, eight hundred fifty-five".

Divisors: 1 3 5 15 1799808457 5399425371 8999042285 26997126855