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80475181589 = 1126092804111
BaseRepresentation
bin100101011110010110…
…0011101001000010101
321200201110020210121002
41022330230131020111
52304303121302324
6100545250233045
75546151520445
oct1127454351025
9250643223532
1080475181589
1131147162040
121371ab85785
13778670a55a
143c75d10125
1521600833ae
hex12bcb1d215

80475181589 has 8 divisors (see below), whose sum is σ = 87824787840. Its totient is φ = 73131188800.

The previous prime is 80475181529. The next prime is 80475181601. The reversal of 80475181589 is 98518157408.

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 80475181589 - 28 = 80475181333 is a prime.

It is a super-3 number, since 3×804751815893 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80475181529) 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, 1373357 + ... + 1430754.

It is an arithmetic number, because the mean of its divisors is an integer number (10978098480).

Almost surely, 280475181589 is an apocalyptic number.

It is an amenable number.

80475181589 is a deficient number, since it is larger than the sum of its proper divisors (7349606251).

80475181589 is a wasteful number, since it uses less digits than its factorization.

80475181589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806731.

The product of its (nonzero) digits is 3225600, while the sum is 56.

The spelling of 80475181589 in words is "eighty billion, four hundred seventy-five million, one hundred eighty-one thousand, five hundred eighty-nine".

Divisors: 1 11 2609 28699 2804111 30845221 7315925599 80475181589