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80132211 = 3231728087
BaseRepresentation
bin1001100011010…
…11100001110011
312120210010201200
410301223201303
5131003212321
611541302243
71662053415
oct461534163
9176703650
1080132211
1141261575
1222a04983
13137a8613
14a8dc9b5
15707cd26
hex4c6b873

80132211 has 12 divisors (see below), whose sum is σ = 116115792. Its totient is φ = 53251056.

The previous prime is 80132189. The next prime is 80132243. The reversal of 80132211 is 11223108.

It is not a de Polignac number, because 80132211 - 26 = 80132147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80132281) 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, 11191 + ... + 16896.

It is an arithmetic number, because the mean of its divisors is an integer number (9676316).

Almost surely, 280132211 is an apocalyptic number.

80132211 is a deficient number, since it is larger than the sum of its proper divisors (35983581).

80132211 is a wasteful number, since it uses less digits than its factorization.

80132211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28410 (or 28407 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 80132211 is about 8951.6596785177. The cubic root of 80132211 is about 431.1241740033.

Adding to 80132211 its reverse (11223108), we get a palindrome (91355319).

The spelling of 80132211 in words is "eighty million, one hundred thirty-two thousand, two hundred eleven".

Divisors: 1 3 9 317 951 2853 28087 84261 252783 8903579 26710737 80132211