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80305706003 = 1714561324419
BaseRepresentation
bin100101011001010010…
…1111101010000010011
321200021122100112210112
41022302211331100103
52303431230043003
6100520353551535
75542023144515
oct1126245752023
9250248315715
1080305706003
113106a528576
12136922755ab
13775a57cb43
143c5b5d5bb5
1521502583d8
hex12b297d413

80305706003 has 8 divisors (see below), whose sum is σ = 85035672720. Its totient is φ = 75576417280.

The previous prime is 80305705981. The next prime is 80305706017. The reversal of 80305706003 is 30060750308.

It is a happy number.

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 80305706003 - 210 = 80305704979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80305706023) 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, 85328 + ... + 409746.

It is an arithmetic number, because the mean of its divisors is an integer number (10629459090).

Almost surely, 280305706003 is an apocalyptic number.

80305706003 is a deficient number, since it is larger than the sum of its proper divisors (4729966717).

80305706003 is a wasteful number, since it uses less digits than its factorization.

80305706003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338997.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 80305706003 in words is "eighty billion, three hundred five million, seven hundred six thousand, three".

Divisors: 1 17 14561 247537 324419 5515123 4723865059 80305706003