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6670366668 = 2232723781387
BaseRepresentation
bin1100011011001010…
…11011011111001100
3122012212110201212100
412031211123133030
5102130103213133
63021521035100
7324204116100
oct61545333714
918185421770
106670366668
112913280229
121361a85a90
13823c31034
14473c71900
15290904e13
hex18d95b7cc

6670366668 has 54 divisors (see below), whose sum is σ = 19614059556. Its totient is φ = 1905818544.

The previous prime is 6670366657. The next prime is 6670366669. The reversal of 6670366668 is 8666630766.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6670366669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1888930 + ... + 1892457.

Almost surely, 26670366668 is an apocalyptic number.

It is an amenable number.

6670366668 is an abundant number, since it is smaller than the sum of its proper divisors (12943692888).

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

6670366668 is a wasteful number, since it uses less digits than its factorization.

6670366668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781411 (or 3781399 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The square root of 6670366668 is about 81672.3127381611. The cubic root of 6670366668 is about 1882.4201768241.

The spelling of 6670366668 in words is "six billion, six hundred seventy million, three hundred sixty-six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 3781387 7562774 11344161 15125548 22688322 26469709 34032483 45376644 52939418 68064966 79409127 105878836 136129932 158818254 185287963 238227381 317636508 370575926 476454762 555863889 741151852 952909524 1111727778 1667591667 2223455556 3335183334 6670366668