Search a number
-
+
6887040055 = 57196772573
BaseRepresentation
bin1100110100111111…
…11110010000110111
3122202222011212212121
412122133332100313
5103101040240210
63055221100411
7332444605660
oct63237762067
918688155777
106887040055
112a14611145
121402557707
13859aa553c
14494954367
152a49546da
hex19a7fe437

6887040055 has 8 divisors (see below), whose sum is σ = 9445083552. Its totient is φ = 4722541728.

The previous prime is 6887040053. The next prime is 6887040059. The reversal of 6887040055 is 5500407886.

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

It is a cyclic number.

It is not a de Polignac number, because 6887040055 - 21 = 6887040053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6887039993 and 6887040020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887040053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98386252 + ... + 98386321.

It is an arithmetic number, because the mean of its divisors is an integer number (1180635444).

Almost surely, 26887040055 is an apocalyptic number.

6887040055 is a deficient number, since it is larger than the sum of its proper divisors (2558043497).

6887040055 is a wasteful number, since it uses less digits than its factorization.

6887040055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196772585.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 6887040055 is about 82988.1922625141. The cubic root of 6887040055 is about 1902.5855892581.

The spelling of 6887040055 in words is "six billion, eight hundred eighty-seven million, forty thousand, fifty-five".

Divisors: 1 5 7 35 196772573 983862865 1377408011 6887040055