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80713037171 = 136208695167
BaseRepresentation
bin100101100101011011…
…1110011010101110011
321201100000211010010002
41023022313303111303
52310300014142141
6101025024300215
75555100332114
oct1131267632563
9251300733102
1080713037171
11312594504a8
121378677166b
1377c3a8a2c0
143c9974820b
152175db8e9b
hex12cadf3573

80713037171 has 4 divisors (see below), whose sum is σ = 86921732352. Its totient is φ = 74504341992.

The previous prime is 80713037159. The next prime is 80713037179. The reversal of 80713037171 is 17173031708.

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 80713037171 - 26 = 80713037107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80713037179) 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, 3104347571 + ... + 3104347596.

It is an arithmetic number, because the mean of its divisors is an integer number (21730433088).

Almost surely, 280713037171 is an apocalyptic number.

80713037171 is a deficient number, since it is larger than the sum of its proper divisors (6208695181).

80713037171 is a wasteful number, since it uses less digits than its factorization.

80713037171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208695180.

The product of its (nonzero) digits is 24696, while the sum is 38.

Adding to 80713037171 its reverse (17173031708), we get a palindrome (97886068879).

The spelling of 80713037171 in words is "eighty billion, seven hundred thirteen million, thirty-seven thousand, one hundred seventy-one".

Divisors: 1 13 6208695167 80713037171