Search a number
-
+
1442102323144 = 23724778273031
BaseRepresentation
bin10100111111000011111…
…111110010011111001000
312002212022120221102011111
4110333003333302133020
5142111411143320034
63022254225340104
7206121432331600
oct24770377623710
95085276842144
101442102323144
1150665719087a
121b35a5197634
13a5cb33ab812
144db260a9c00
15277a44bc364
hex14fc3ff27c8

1442102323144 has 48 divisors (see below), whose sum is σ = 3212325233280. Its totient is φ = 604893975840.

The previous prime is 1442102323099. The next prime is 1442102323169. The reversal of 1442102323144 is 4413232012441.

It is a happy number.

It is a super-2 number, since 2×14421023231442 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39118092 + ... + 39154939.

It is an arithmetic number, because the mean of its divisors is an integer number (66923442360).

Almost surely, 21442102323144 is an apocalyptic number.

1442102323144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1442102323144 is an abundant number, since it is smaller than the sum of its proper divisors (1770222910136).

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

1442102323144 is a wasteful number, since it uses less digits than its factorization.

1442102323144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78273098 (or 78273087 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1442102323144 its reverse (4413232012441), we get a palindrome (5855334335585).

The spelling of 1442102323144 in words is "one trillion, four hundred forty-two billion, one hundred two million, three hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 47 49 56 94 98 188 196 329 376 392 658 1316 2303 2632 4606 9212 18424 78273031 156546062 313092124 547911217 626184248 1095822434 2191644868 3678832457 3835378519 4383289736 7357664914 7670757038 14715329828 15341514076 25751827199 29430659656 30683028152 51503654398 103007308796 180262790393 206014617592 360525580786 721051161572 1442102323144