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8068778608 = 241145845333
BaseRepresentation
bin1111000001110111…
…11100101001110000
3202211022211102102011
413200323330221300
5113011101403413
63412353532304
7403644325612
oct74073745160
922738742364
108068778608
113470684880
121692274094
139b7874a17
1456788cdb2
1532358433d
hex1e0efca70

8068778608 has 20 divisors (see below), whose sum is σ = 17054464248. Its totient is φ = 3667626560.

The previous prime is 8068778591. The next prime is 8068778609.

8068778608 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8068778609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22922491 + ... + 22922842.

Almost surely, 28068778608 is an apocalyptic number.

8068778608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8068778608 is an abundant number, since it is smaller than the sum of its proper divisors (8985685640).

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

8068778608 is a wasteful number, since it uses less digits than its factorization.

8068778608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45845352 (or 45845346 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 58.

The square root of 8068778608 is about 89826.3803567749. The cubic root of 8068778608 is about 2005.7152033355.

The spelling of 8068778608 in words is "eight billion, sixty-eight million, seven hundred seventy-eight thousand, six hundred eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 45845333 91690666 183381332 366762664 504298663 733525328 1008597326 2017194652 4034389304 8068778608