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80080068 = 22331613529
BaseRepresentation
bin1001100010111…
…10110011000100
312120200111012110
410301132303010
5131000030233
611540221020
71661445405
oct461366304
9176614173
1080080068
1141226382
122299a770
131378a973
14a8c79ac
15706c663
hex4c5ecc4

80080068 has 48 divisors (see below), whose sum is σ = 196098560. Its totient is φ = 25401600.

The previous prime is 80080027. The next prime is 80080069. The reversal of 80080068 is 86008008.

It is not an unprimeable number, because it can be changed into a prime (80080069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20928 + ... + 24456.

Almost surely, 280080068 is an apocalyptic number.

It is an amenable number.

80080068 is an abundant number, since it is smaller than the sum of its proper divisors (116018492).

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

80080068 is a wasteful number, since it uses less digits than its factorization.

80080068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628 (or 3626 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 80080068 is about 8948.7467278944. The cubic root of 80080068 is about 431.0306411392.

The spelling of 80080068 in words is "eighty million, eighty thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 31 61 62 93 122 124 183 186 244 366 372 732 1891 3529 3782 5673 7058 7564 10587 11346 14116 21174 22692 42348 109399 215269 218798 328197 430538 437596 645807 656394 861076 1291614 1312788 2583228 6673339 13346678 20020017 26693356 40040034 80080068