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444142212423 = 371319374353819
BaseRepresentation
bin1100111011010001111…
…00000101010101000111
31120110102000221002201020
412131220330011111013
524234100401244143
6540011445002223
744042154341610
oct6355074052507
91513360832636
10444142212423
111613a5777998
12720b23b3373
1332b61915670
14176d4942c07
15b846d97883
hex6768f05547

444142212423 has 128 divisors (see below), whose sum is σ = 806283878400. Its totient is φ = 210918339072.

The previous prime is 444142212407. The next prime is 444142212427. The reversal of 444142212423 is 324212241444.

It is not a de Polignac number, because 444142212423 - 24 = 444142212407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444142212427) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8225608 + ... + 8279426.

It is an arithmetic number, because the mean of its divisors is an integer number (6299092800).

Almost surely, 2444142212423 is an apocalyptic number.

444142212423 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

444142212423 is a deficient number, since it is larger than the sum of its proper divisors (362141665977).

444142212423 is a wasteful number, since it uses less digits than its factorization.

444142212423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53941.

The product of its digits is 49152, while the sum is 33.

Adding to 444142212423 its reverse (324212241444), we get a palindrome (768354453867).

The spelling of 444142212423 in words is "four hundred forty-four billion, one hundred forty-two million, two hundred twelve thousand, four hundred twenty-three".

Divisors: 1 3 7 13 19 21 37 39 43 57 91 111 129 133 247 259 273 301 399 481 559 703 741 777 817 903 1443 1591 1677 1729 2109 2451 3367 3913 4773 4921 5187 5719 9139 10101 10621 11137 11739 14763 17157 20683 27417 30229 31863 33411 53819 62049 63973 74347 90687 144781 161457 191919 211603 223041 376733 392977 434343 634809 699647 1022561 1130199 1178931 1991303 2098941 2314217 2750839 3067683 4897529 5973909 6942651 7157927 8252517 13293293 13939121 14692587 16199519 21473781 25886939 30084821 37834757 39879879 41817363 43970123 48598557 77660817 85626029 90254463 93053051 113504271 131910369 181208573 210593747 256878087 264843299 279159153 307790861 491851841 543625719 571611599 599382203 631781241 794529897 923372583 1113138377 1475555523 1626894551 1714834797 1798146609 3339415131 3442962887 4001281193 4880683653 7791968639 10328888661 11388261857 12003843579 21149629163 23375905917 34164785571 63448887489 148047404141 444142212423