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12031432214 = 213145921497
BaseRepresentation
bin10110011010010000…
…10001011000010110
31011001111021002020112
423031020101120112
5144120021312324
65305511203022
7604102325564
oct131510213026
934044232215
1012031432214
11511448010a
1223b9376472
13119981b679
14821c80a34
154a63cdc0e
hex2cd211616

12031432214 has 8 divisors (see below), whose sum is σ = 18184913208. Its totient is φ = 5969794480.

The previous prime is 12031432213. The next prime is 12031432241. The reversal of 12031432214 is 41223413021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120314322142 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12031432214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031432213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22960487 + ... + 22961010.

It is an arithmetic number, because the mean of its divisors is an integer number (2273114151).

Almost surely, 212031432214 is an apocalyptic number.

12031432214 is a deficient number, since it is larger than the sum of its proper divisors (6153480994).

12031432214 is a wasteful number, since it uses less digits than its factorization.

12031432214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45921630.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12031432214 its reverse (41223413021), we get a palindrome (53254845235).

The spelling of 12031432214 in words is "twelve billion, thirty-one million, four hundred thirty-two thousand, two hundred fourteen".

Divisors: 1 2 131 262 45921497 91842994 6015716107 12031432214