Search a number
-
+
12444433434 = 233530343457
BaseRepresentation
bin10111001011011111…
…01111110000011010
31012010021101201102000
423211233233300122
5200441233332214
65414503221430
7620245640016
oct134557576032
935107351360
1012444433434
115306616034
1224b3747876
1312342628a4
14860a6b546
154cc7ae809
hex2e5befc1a

12444433434 has 32 divisors (see below), whose sum is σ = 27660147840. Its totient is φ = 4147266816.

The previous prime is 12444433433. The next prime is 12444433451. The reversal of 12444433434 is 43433444421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12444433433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264634 + ... + 308090.

It is an arithmetic number, because the mean of its divisors is an integer number (864379620).

Almost surely, 212444433434 is an apocalyptic number.

12444433434 is an abundant number, since it is smaller than the sum of its proper divisors (15215714406).

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

12444433434 is a wasteful number, since it uses less digits than its factorization.

12444433434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48771 (or 48765 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

Adding to 12444433434 its reverse (43433444421), we get a palindrome (55877877855).

The spelling of 12444433434 in words is "twelve billion, four hundred forty-four million, four hundred thirty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 5303 10606 15909 31818 43457 47727 86914 95454 130371 143181 260742 286362 391113 782226 1173339 2346678 230452471 460904942 691357413 1382714826 2074072239 4148144478 6222216717 12444433434