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6668560368 = 243246309447
BaseRepresentation
bin1100011010111101…
…00010011111110000
3122012202001222002100
412031132202133300
5102124122412433
63021414220400
7324152553651
oct61536423760
918182058070
106668560368
112912257118
121361354700
1382374ab12
14473921528
15290699b13
hex18d7a27f0

6668560368 has 30 divisors (see below), whose sum is σ = 18662707544. Its totient is φ = 2222853408.

The previous prime is 6668560363. The next prime is 6668560429. The reversal of 6668560368 is 8630658666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668560363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23154580 + ... + 23154867.

Almost surely, 26668560368 is an apocalyptic number.

It is an amenable number.

6668560368 is an abundant number, since it is smaller than the sum of its proper divisors (11994147176).

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

6668560368 is a wasteful number, since it uses less digits than its factorization.

6668560368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46309461 (or 46309452 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The square root of 6668560368 is about 81661.2537743574. The cubic root of 6668560368 is about 1882.2502450097.

The spelling of 6668560368 in words is "six billion, six hundred sixty-eight million, five hundred sixty thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 46309447 92618894 138928341 185237788 277856682 370475576 416785023 555713364 740951152 833570046 1111426728 1667140092 2222853456 3334280184 6668560368