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80530011 = 332982593
BaseRepresentation
bin1001100110011…
…00101001011011
312121112100102000
410303030221123
5131103430021
611554012043
71665331242
oct463145133
9177470360
1080530011
1141503431
1222b77023
13138b76c3
14a9a3959
15710ab26
hex4ccca5b

80530011 has 8 divisors (see below), whose sum is σ = 119303760. Its totient is φ = 53686656.

The previous prime is 80530007. The next prime is 80530031. The reversal of 80530011 is 11003508.

It is a happy number.

It is not a de Polignac number, because 80530011 - 22 = 80530007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80530031) 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, 1491270 + ... + 1491323.

It is an arithmetic number, because the mean of its divisors is an integer number (14912970).

Almost surely, 280530011 is an apocalyptic number.

80530011 is a deficient number, since it is larger than the sum of its proper divisors (38773749).

80530011 is a wasteful number, since it uses less digits than its factorization.

80530011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982602 (or 2982596 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 80530011 is about 8973.8515142608. The cubic root of 80530011 is about 431.8364060349.

Adding to 80530011 its reverse (11003508), we get a palindrome (91533519).

The spelling of 80530011 in words is "eighty million, five hundred thirty thousand, eleven".

Divisors: 1 3 9 27 2982593 8947779 26843337 80530011