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12211010 = 257174443
BaseRepresentation
bin101110100101…
…001101000010
3211222101100122
4232211031002
511111223020
61113420242
7205535420
oct56451502
924871318
1012211010
116990349
12410a682
1326b7066
14189c110
151113125
hexba5342

12211010 has 16 divisors (see below), whose sum is σ = 25119936. Its totient is φ = 4186608.

The previous prime is 12211009. The next prime is 12211021. The reversal of 12211010 is 1011221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87152 + ... + 87291.

It is an arithmetic number, because the mean of its divisors is an integer number (1569996).

Almost surely, 212211010 is an apocalyptic number.

12211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211010 is an abundant number, since it is smaller than the sum of its proper divisors (12908926).

12211010 is a wasteful number, since it uses less digits than its factorization.

12211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174457.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 12211010 is about 3494.4255608039. The cubic root of 12211010 is about 230.2769819951.

Adding to 12211010 its reverse (1011221), we get a palindrome (13222231).

The spelling of 12211010 in words is "twelve million, two hundred eleven thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 174443 348886 872215 1221101 1744430 2442202 6105505 12211010