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8083980287 = 61132524267
BaseRepresentation
bin1111000011101011…
…11011111111111111
3202212101102202012022
413201311323333333
5113023444332122
63414055430355
7404220461435
oct74165737777
922771382168
108083980287
113479218049
1216973853bb
139baa680b6
145698c8d55
15324a88642
hex1e1d7bfff

8083980287 has 4 divisors (see below), whose sum is σ = 8216504616. Its totient is φ = 7951455960.

The previous prime is 8083980283. The next prime is 8083980319. The reversal of 8083980287 is 7820893808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8083980287 - 22 = 8083980283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8083980283) 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, 66262073 + ... + 66262194.

It is an arithmetic number, because the mean of its divisors is an integer number (2054126154).

Almost surely, 28083980287 is an apocalyptic number.

8083980287 is a deficient number, since it is larger than the sum of its proper divisors (132524329).

8083980287 is a wasteful number, since it uses less digits than its factorization.

8083980287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132524328.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The square root of 8083980287 is about 89910.9575468975. The cubic root of 8083980287 is about 2006.9740105721.

The spelling of 8083980287 in words is "eight billion, eighty-three million, nine hundred eighty thousand, two hundred eighty-seven".

Divisors: 1 61 132524267 8083980287