Search a number
-
+
6887704041 = 3219613172083
BaseRepresentation
bin1100110101000101…
…00000010111101001
3122210000102121200200
412122202200113221
5103101223012131
63055243222413
7332453342541
oct63242402751
918700377620
106887704041
112a14a24a99
121402817a09
13859c7882a
14494a88321
152a4a362e6
hex19a8a05e9

6887704041 has 48 divisors (see below), whose sum is σ = 10682917440. Its totient is φ = 4263269760.

The previous prime is 6887704027. The next prime is 6887704049. The reversal of 6887704041 is 1404077886.

It is not a de Polignac number, because 6887704041 - 211 = 6887701993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6887704049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3305586 + ... + 3307668.

It is an arithmetic number, because the mean of its divisors is an integer number (222560780).

Almost surely, 26887704041 is an apocalyptic number.

6887704041 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6887704041 is a deficient number, since it is larger than the sum of its proper divisors (3795213399).

6887704041 is a wasteful number, since it uses less digits than its factorization.

6887704041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 6887704041 is about 82992.1926508753. The cubic root of 6887704041 is about 1902.6467306478.

The spelling of 6887704041 in words is "six billion, eight hundred eighty-seven million, seven hundred four thousand, forty-one".

Divisors: 1 3 9 19 57 61 171 183 317 549 951 1159 2083 2853 3477 6023 6249 10431 18069 18747 19337 39577 54207 58011 118731 127063 174033 356193 367403 381189 660311 1102209 1143567 1980933 2414197 3306627 5942799 7242591 12545909 21727773 37637727 40278971 112913181 120836913 362510739 765300449 2295901347 6887704041