Search a number
-
+
12145234344 = 233506051431
BaseRepresentation
bin10110100111110100…
…11001000110101000
31011100102101211102020
423103322121012220
5144333134444334
65325054304440
7606653534325
oct132372310650
934312354366
1012145234344
115172739361
12242b4b8120
1311b72854c9
14833025b4c
154b13ace49
hex2d3e991a8

12145234344 has 16 divisors (see below), whose sum is σ = 30363085920. Its totient is φ = 4048411440.

The previous prime is 12145234337. The next prime is 12145234351. The reversal of 12145234344 is 44343254121.

12145234344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12145234337) and next prime (12145234351).

It is a super-2 number, since 2×121452343442 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253025692 + ... + 253025739.

It is an arithmetic number, because the mean of its divisors is an integer number (1897692870).

Almost surely, 212145234344 is an apocalyptic number.

It is an amenable number.

12145234344 is an abundant number, since it is smaller than the sum of its proper divisors (18217851576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12145234344 is a wasteful number, since it uses less digits than its factorization.

12145234344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506051440 (or 506051436 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

Adding to 12145234344 its reverse (44343254121), we get a palindrome (56488488465).

The spelling of 12145234344 in words is "twelve billion, one hundred forty-five million, two hundred thirty-four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 506051431 1012102862 1518154293 2024205724 3036308586 4048411448 6072617172 12145234344