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7688641324 = 2271321122641
BaseRepresentation
bin1110010100100011…
…10101101100101100
3201211211112110002111
413022101311230230
5111221243010244
63310534133404
7361350241630
oct71221655454
921754473074
107688641324
113296046031
1215a6ab1264
13956b99210
1452d1b8dc0
152eeee5e34
hex1ca475b2c

7688641324 has 24 divisors (see below), whose sum is σ = 16560151328. Its totient is φ = 3041660160.

The previous prime is 7688641283. The next prime is 7688641369. The reversal of 7688641324 is 4231468867.

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, 10560957 + ... + 10561684.

Almost surely, 27688641324 is an apocalyptic number.

It is an amenable number.

7688641324 is an abundant number, since it is smaller than the sum of its proper divisors (8871510004).

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

7688641324 is a wasteful number, since it uses less digits than its factorization.

7688641324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122665 (or 21122663 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 7688641324 is about 87684.8979243290. The cubic root of 7688641324 is about 1973.7093591034.

The spelling of 7688641324 in words is "seven billion, six hundred eighty-eight million, six hundred forty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 21122641 42245282 84490564 147858487 274594333 295716974 549188666 591433948 1098377332 1922160331 3844320662 7688641324