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6677901889 = 31847209687
BaseRepresentation
bin1100011100000100…
…01011001001000001
3122020101122120020121
412032002023021001
5102134020330024
63022350340241
7324325141501
oct61602131101
918211576217
106677901889
11291755758a
1213644ba681
1382566ba49
14474c73a01
152913e28e4
hex18e08b241

6677901889 has 4 divisors (see below), whose sum is σ = 6678143424. Its totient is φ = 6677660356.

The previous prime is 6677901883. The next prime is 6677901911. The reversal of 6677901889 is 9881097766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6677901889 - 217 = 6677770817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6677901883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72997 + ... + 136690.

It is an arithmetic number, because the mean of its divisors is an integer number (1669535856).

Almost surely, 26677901889 is an apocalyptic number.

It is an amenable number.

6677901889 is a deficient number, since it is larger than the sum of its proper divisors (241535).

6677901889 is a wasteful number, since it uses less digits than its factorization.

6677901889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241534.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The square root of 6677901889 is about 81718.4305343660. The cubic root of 6677901889 is about 1883.1287392824.

The spelling of 6677901889 in words is "six billion, six hundred seventy-seven million, nine hundred one thousand, eight hundred eighty-nine".

Divisors: 1 31847 209687 6677901889