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7668166242 = 2311116184337
BaseRepresentation
bin1110010010000111…
…01110111001100010
3201210102000012120010
413021003232321202
5111201022304432
63304523225350
7361011223542
oct71103567142
921712005503
107668166242
113285530880
1215a0078256
1395287a799
1452a5a9322
152ed2ee3cc
hex1c90eee62

7668166242 has 16 divisors (see below), whose sum is σ = 16730544672. Its totient is φ = 2323686720.

The previous prime is 7668166237. The next prime is 7668166277. The reversal of 7668166242 is 2426618667.

It is a junction number, because it is equal to n+sod(n) for n = 7668166191 and 7668166200.

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, 58092103 + ... + 58092234.

It is an arithmetic number, because the mean of its divisors is an integer number (1045659042).

Almost surely, 27668166242 is an apocalyptic number.

7668166242 is an abundant number, since it is smaller than the sum of its proper divisors (9062378430).

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

7668166242 is a wasteful number, since it uses less digits than its factorization.

7668166242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116184353.

The product of its digits is 1161216, while the sum is 48.

The square root of 7668166242 is about 87568.0663369930. The cubic root of 7668166242 is about 1971.9557858733.

The spelling of 7668166242 in words is "seven billion, six hundred sixty-eight million, one hundred sixty-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 116184337 232368674 348553011 697106022 1278027707 2556055414 3834083121 7668166242