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444220200312 = 23374164491899
BaseRepresentation
bin1100111011011011001…
…01100101010101111000
31120110121110200021222120
412131231211211111320
524234230332402222
6540023312321240
744044122254550
oct6355545452570
91513543607876
10444220200312
111614357a4399
1272114543220
1332b74b1cc45
1417701044160
15b84db5015c
hex676d965578

444220200312 has 64 divisors (see below), whose sum is σ = 1300156704000. Its totient is φ = 123824444160.

The previous prime is 444220200251. The next prime is 444220200313. The reversal of 444220200312 is 213002022444.

It is a super-3 number, since 3×4442202003123 (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444220200313) 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, 32239062 + ... + 32252837.

It is an arithmetic number, because the mean of its divisors is an integer number (20314948500).

Almost surely, 2444220200312 is an apocalyptic number.

444220200312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

444220200312 is an abundant number, since it is smaller than the sum of its proper divisors (855936503688).

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

444220200312 is a wasteful number, since it uses less digits than its factorization.

444220200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64491956 (or 64491952 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 444220200312 its reverse (213002022444), we get a palindrome (657222222756).

The spelling of 444220200312 in words is "four hundred forty-four billion, two hundred twenty million, two hundred thousand, three hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 41 42 56 82 84 123 164 168 246 287 328 492 574 861 984 1148 1722 2296 3444 6888 64491899 128983798 193475697 257967596 386951394 451443293 515935192 773902788 902886586 1354329879 1547805576 1805773172 2644167859 2708659758 3611546344 5288335718 5417319516 7932503577 10576671436 10834639032 15865007154 18509175013 21153342872 31730014308 37018350026 55527525039 63460028616 74036700052 111055050078 148073400104 222110100156 444220200312