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8079961971 = 33477761731
BaseRepresentation
bin1111000011001101…
…00110111101110011
3202212002212121002210
413201212212331303
5113021432240341
63413433343203
7404141354304
oct74146467563
922762777083
108079961971
113476a23024
121695b67b03
139b9c8c0b3
145691607ab
15324542c16
hex1e19a6f73

8079961971 has 8 divisors (see below), whose sum is σ = 10804330944. Its totient is φ = 5371117160.

The previous prime is 8079961889. The next prime is 8079962029. The reversal of 8079961971 is 1791699708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8079961971 - 27 = 8079961843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8079961171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3879825 + ... + 3881906.

It is an arithmetic number, because the mean of its divisors is an integer number (1350541368).

Almost surely, 28079961971 is an apocalyptic number.

8079961971 is a deficient number, since it is larger than the sum of its proper divisors (2724368973).

8079961971 is a wasteful number, since it uses less digits than its factorization.

8079961971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762081.

The product of its (nonzero) digits is 1714608, while the sum is 57.

The square root of 8079961971 is about 89888.6086831919. The cubic root of 8079961971 is about 2006.6414189486.

The spelling of 8079961971 in words is "eight billion, seventy-nine million, nine hundred sixty-one thousand, nine hundred seventy-one".

Divisors: 1 3 347 1041 7761731 23285193 2693320657 8079961971