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80525924347 = 1126411038227
BaseRepresentation
bin100101011111110111…
…0000001011111111011
321200211222201210120111
41022333232001133323
52304404114034342
6100554302005151
75550336030511
oct1127756013773
9250758653514
1080525924347
113117286a900
1213733b767b7
137794095a5b
143c7c95c4b1
152164758217
hex12bfb817fb

80525924347 has 12 divisors (see below), whose sum is σ = 88650136008. Its totient is φ = 73091110400.

The previous prime is 80525924341. The next prime is 80525924359. The reversal of 80525924347 is 74342952508.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-80525924347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80525924347.

It is not an unprimeable number, because it can be changed into a prime (80525924341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441553 + ... + 596674.

It is an arithmetic number, because the mean of its divisors is an integer number (7387511334).

Almost surely, 280525924347 is an apocalyptic number.

80525924347 is a deficient number, since it is larger than the sum of its proper divisors (8124211661).

80525924347 is a wasteful number, since it uses less digits than its factorization.

80525924347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038890 (or 1038879 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 80525924347 in words is "eighty billion, five hundred twenty-five million, nine hundred twenty-four thousand, three hundred forty-seven".

Divisors: 1 11 121 641 7051 77561 1038227 11420497 125625467 665503507 7320538577 80525924347