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80715349866241 = 367219932833423
BaseRepresentation
bin10010010110100100000001…
…110000011011011100000001
3101120210022102111211102022101
4102112210001300123130001
541034420014031204431
6443400041514510401
723000330420502436
oct2226440160333401
9346708374742271
1080715349866241
112379a207833502
129077213435401
13360656a48553c
1415d0902753b8d
1594e8d13b4961
hex496901c1b701

80715349866241 has 4 divisors (see below), whose sum is σ = 80935282700032. Its totient is φ = 80495417032452.

The previous prime is 80715349866223. The next prime is 80715349866301. The reversal of 80715349866241 is 14266894351708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80715349866241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80715349860241) 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, 109966416345 + ... + 109966417078.

It is an arithmetic number, because the mean of its divisors is an integer number (20233820675008).

It is a 1-persistent number, because it is pandigital, but 2⋅80715349866241 = 161430699732482 is not.

Almost surely, 280715349866241 is an apocalyptic number.

It is an amenable number.

80715349866241 is a deficient number, since it is larger than the sum of its proper divisors (219932833791).

80715349866241 is a wasteful number, since it uses less digits than its factorization.

80715349866241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219932833790.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 80715349866241 in words is "eighty trillion, seven hundred fifteen billion, three hundred forty-nine million, eight hundred sixty-six thousand, two hundred forty-one".

Divisors: 1 367 219932833423 80715349866241