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6697987116 = 2231432738959
BaseRepresentation
bin1100011110011101…
…10010110000101100
3122021210102222222220
412033032302300230
5102204141041431
63024345035340
7324660644142
oct61716626054
918253388886
106697987116
112927925947
12136b185b50
13829881bb2
144777c1592
1529305db96
hex18f3b2c2c

6697987116 has 24 divisors (see below), whose sum is σ = 15630128640. Its totient is φ = 2232449232.

The previous prime is 6697987091. The next prime is 6697987171. The reversal of 6697987116 is 6117897966.

It is a super-2 number, since 2×66979871162 = 89726062812203994912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6697987116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152445 + ... + 191403.

It is an arithmetic number, because the mean of its divisors is an integer number (651255360).

Almost surely, 26697987116 is an apocalyptic number.

It is an amenable number.

6697987116 is an abundant number, since it is smaller than the sum of its proper divisors (8932141524).

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

6697987116 is a wasteful number, since it uses less digits than its factorization.

6697987116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53293 (or 53291 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 60.

The square root of 6697987116 is about 81841.2311490975. The cubic root of 6697987116 is about 1885.0148212547.

The spelling of 6697987116 in words is "six billion, six hundred ninety-seven million, nine hundred eighty-seven thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 14327 28654 38959 42981 57308 77918 85962 116877 155836 171924 233754 467508 558165593 1116331186 1674496779 2232662372 3348993558 6697987116