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444100021142142 = 23739671048528427
BaseRepresentation
bin110010011111010000001100…
…0000000010100001001111110
32011020102112210001022022012110
41210332200120000110021332
5431202113320403022032
64212304422213314450
7162354111344464551
oct14476403000241176
92136375701268173
10444100021142142
1111955a8412a8882
1241985686635a26
13160a55b5913901
147b947acc28698
1536520d9d197cc
hex193e81801427e

444100021142142 has 32 divisors (see below), whose sum is σ = 901298260253952. Its totient is φ = 145854498170304.

The previous prime is 444100021142093. The next prime is 444100021142171. The reversal of 444100021142142 is 241241120001444.

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, 523840668 + ... + 524687759.

It is an arithmetic number, because the mean of its divisors is an integer number (28165570632936).

Almost surely, 2444100021142142 is an apocalyptic number.

444100021142142 is an abundant number, since it is smaller than the sum of its proper divisors (457198239111810).

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

444100021142142 is a wasteful number, since it uses less digits than its factorization.

444100021142142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048529472.

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 444100021142142 its reverse (241241120001444), we get a palindrome (685341141143586).

The spelling of 444100021142142 in words is "four hundred forty-four trillion, one hundred billion, twenty-one million, one hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 73 146 219 438 967 1934 2901 5802 70591 141182 211773 423546 1048528427 2097056854 3145585281 6291170562 76542575171 153085150342 229627725513 459255451026 1013926988909 2027853977818 3041780966727 6083561933454 74016670190357 148033340380714 222050010571071 444100021142142