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6669680284 = 221667420071
BaseRepresentation
bin1100011011000101…
…10011111010011100
3122012211011212022201
412031202303322130
5102124414232114
63021454221244
7324165230011
oct61542637234
918184155281
106669680284
112912951573
1213617b4824
13823a507a7
14473b33708
1529081b874
hex18d8b3e9c

6669680284 has 6 divisors (see below), whose sum is σ = 11671940504. Its totient is φ = 3334840140.

The previous prime is 6669680201. The next prime is 6669680293. The reversal of 6669680284 is 4820869666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833710032 + ... + 833710039.

Almost surely, 26669680284 is an apocalyptic number.

It is an amenable number.

6669680284 is a deficient number, since it is larger than the sum of its proper divisors (5002260220).

6669680284 is a wasteful number, since it uses less digits than its factorization.

6669680284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667420075 (or 1667420073 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The square root of 6669680284 is about 81668.1105695485. The cubic root of 6669680284 is about 1882.3556072897.

The spelling of 6669680284 in words is "six billion, six hundred sixty-nine million, six hundred eighty thousand, two hundred eighty-four".

Divisors: 1 2 4 1667420071 3334840142 6669680284