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444444444444442 = 213131197003662369
BaseRepresentation
bin110010100001110000100100…
…1001110111100011100011010
32011021122110210111111220111011
41211003201021032330130122
5431223234210234210232
64213130543100124134
7162421023440321131
oct14503411116743432
92137573714456434
10444444444444442
11119682915278652
1241a2038923664a
13160cbc150262c0
147ba7323b9a918
15365b04749d547
hex19438493bc71a

444444444444442 has 32 divisors (see below), whose sum is σ = 723434006877120. Its totient is φ = 203561000348160.

The previous prime is 444444444444421. The next prime is 444444444444461. The reversal of 444444444444442 is 244444444444444.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670661034 + ... + 671323402.

It is an arithmetic number, because the mean of its divisors is an integer number (22607312714910).

Almost surely, 2444444444444442 is an apocalyptic number.

444444444444442 is a deficient number, since it is larger than the sum of its proper divisors (278989562432678).

444444444444442 is a wasteful number, since it uses less digits than its factorization.

444444444444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859518.

The product of its digits is 536870912, while the sum is 58.

Adding to 444444444444442 its reverse (244444444444444), we get a palindrome (688888888888886).

It can be divided in two parts, 44444444444444 and 2, that multiplied together give a palindrome (88888888888888).

The spelling of 444444444444442 in words is "four hundred forty-four trillion, four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 13 26 131 262 1703 3406 197003 394006 662369 1324738 2561039 5122078 8610797 17221594 25807393 51614786 86770339 173540678 335496109 670992218 1128014407 2256028814 130488680107 260977360214 1696352841391 3392705682782 17094017094017 34188034188034 222222222222221 444444444444442