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444132001432021 = 7619238942904933
BaseRepresentation
bin110010011111011111000101…
…0001011011100000111010101
32011020112121022210212100121011
41210332332022023130013111
5431203124314331311041
64212331231430052221
7162356323011454360
oct14476761213340725
92136477283770534
10444132001432021
11119572362346a11
124198b9107aa071
13160a8611341866
147b9616427b0d7
153652d5c710e81
hex193ef8a2dc1d5

444132001432021 has 16 divisors (see below), whose sum is σ = 508612249609600. Its totient is φ = 379910473000128.

The previous prime is 444132001431983. The next prime is 444132001432061. The reversal of 444132001432021 is 120234100231444.

It is a happy number.

It is not a de Polignac number, because 444132001432021 - 211 = 444132001429973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444132001432061) 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, 11100930 + ... + 31804003.

It is an arithmetic number, because the mean of its divisors is an integer number (31788265600600).

Almost surely, 2444132001432021 is an apocalyptic number.

It is an amenable number.

444132001432021 is a deficient number, since it is larger than the sum of its proper divisors (64480248177579).

444132001432021 is a wasteful number, since it uses less digits than its factorization.

444132001432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42907948.

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

Adding to 444132001432021 its reverse (120234100231444), we get a palindrome (564366101663465).

The spelling of 444132001432021 in words is "four hundred forty-four trillion, one hundred thirty-two billion, one million, four hundred thirty-two thousand, twenty-one".

Divisors: 1 7 619 2389 4333 16723 1478791 10351537 42904933 300334531 26558153527 102499884937 185907074689 717499194559 63447428776003 444132001432021