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12141331 = 103117877
BaseRepresentation
bin101110010100…
…001100010011
3211211211202221
4232110030103
511102010311
61112121511
7205125316
oct56241423
924754687
1012141331
116942a64
124096297
132691427
14188097d
1510ec671
hexb94313

12141331 has 4 divisors (see below), whose sum is σ = 12259312. Its totient is φ = 12023352.

The previous prime is 12141329. The next prime is 12141341. The reversal of 12141331 is 13314121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12141331 - 21 = 12141329 is a prime.

It is a super-2 number, since 2×121413312 = 294823836903122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12141341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 58836 + ... + 59041.

It is an arithmetic number, because the mean of its divisors is an integer number (3064828).

Almost surely, 212141331 is an apocalyptic number.

12141331 is a deficient number, since it is larger than the sum of its proper divisors (117981).

12141331 is a wasteful number, since it uses less digits than its factorization.

12141331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117980.

The product of its digits is 72, while the sum is 16.

The square root of 12141331 is about 3484.4412751545. The cubic root of 12141331 is about 229.8381406888.

Adding to 12141331 its reverse (13314121), we get a palindrome (25455452).

The spelling of 12141331 in words is "twelve million, one hundred forty-one thousand, three hundred thirty-one".

Divisors: 1 103 117877 12141331