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7663113668 = 2271914404349
BaseRepresentation
bin1110010001100000…
…11101010111000100
3201210001111111201202
413020300131113010
5111143224114133
63304223042032
7360620251160
oct71060352704
921701444652
107663113668
11328269a7a1
12159a440318
139517cbab2
14529a51ca0
152ecb522e8
hex1c8c1d5c4

7663113668 has 24 divisors (see below), whose sum is σ = 16132872000. Its totient is φ = 3111339168.

The previous prime is 7663113659. The next prime is 7663113673. The reversal of 7663113668 is 8663113667.

It is a super-2 number, since 2×76631136682 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7201643 + ... + 7202706.

It is an arithmetic number, because the mean of its divisors is an integer number (672203000).

Almost surely, 27663113668 is an apocalyptic number.

It is an amenable number.

7663113668 is an abundant number, since it is smaller than the sum of its proper divisors (8469758332).

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

7663113668 is a wasteful number, since it uses less digits than its factorization.

7663113668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404379 (or 14404377 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 7663113668 is about 87539.2121737453. The cubic root of 7663113668 is about 1971.5225818393.

Subtracting 7663113668 from its reverse (8663113667), we obtain a palindrome (999999999).

The spelling of 7663113668 in words is "seven billion, six hundred sixty-three million, one hundred thirteen thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 14404349 28808698 57617396 100830443 201660886 273682631 403321772 547365262 1094730524 1915778417 3831556834 7663113668