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6671867980 = 225333593399
BaseRepresentation
bin1100011011010110…
…01010000001001100
3122012222022000021111
412031223022001030
5102130444233410
63022013141404
7324222641101
oct61553120114
918188260244
106671867980
112914106188
12136248a864
1382433849b
14474142aa8
15290aeeb8a
hex18daca04c

6671867980 has 12 divisors (see below), whose sum is σ = 14010922800. Its totient is φ = 2668747184.

The previous prime is 6671867963. The next prime is 6671867981. The reversal of 6671867980 is 897681766.

It is not an unprimeable number, because it can be changed into a prime (6671867981) 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, 166796680 + ... + 166796719.

It is an arithmetic number, because the mean of its divisors is an integer number (1167576900).

Almost surely, 26671867980 is an apocalyptic number.

It is an amenable number.

6671867980 is an abundant number, since it is smaller than the sum of its proper divisors (7339054820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6671867980 is a wasteful number, since it uses less digits than its factorization.

6671867980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333593408 (or 333593406 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The square root of 6671867980 is about 81681.5032917490. The cubic root of 6671867980 is about 1882.5613928493.

The spelling of 6671867980 in words is "six billion, six hundred seventy-one million, eight hundred sixty-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 333593399 667186798 1334373596 1667966995 3335933990 6671867980