Search a number
-
+
12455305244142 = 237996727173749
BaseRepresentation
bin1011010100111111101000…
…0010110110110111101110
31122002201022122012222012220
42311033322002312313232
53113031431120303032
642253515505340210
72423603034514245
oct265177202666756
948081278188186
1012455305244142
113a722a1112742
121491b08637666
136c46b7c42257
14310ba8d0d95c
15168eced0d12c
hexb53fa0b6dee

12455305244142 has 32 divisors (see below), whose sum is σ = 25252022400000. Its totient is φ = 4094975128608.

The previous prime is 12455305244117. The next prime is 12455305244183. The reversal of 12455305244142 is 24144250355421.

It is a junction number, because it is equal to n+sod(n) for n = 12455305244094 and 12455305244103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13128517 + ... + 14045232.

It is an arithmetic number, because the mean of its divisors is an integer number (789125700000).

Almost surely, 212455305244142 is an apocalyptic number.

12455305244142 is an abundant number, since it is smaller than the sum of its proper divisors (12796717155858).

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

12455305244142 is a wasteful number, since it uses less digits than its factorization.

12455305244142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27174800.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 12455305244142 its reverse (24144250355421), we get a palindrome (36599555599563).

The spelling of 12455305244142 in words is "twelve trillion, four hundred fifty-five billion, three hundred five million, two hundred forty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 79 158 237 474 967 1934 2901 5802 76393 152786 229179 458358 27173749 54347498 81521247 163042494 2146726171 4293452342 6440178513 12880357026 26277015283 52554030566 78831045849 157662091698 2075884207357 4151768414714 6227652622071 12455305244142