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444403443412 = 222337130553303
BaseRepresentation
bin1100111011110001000…
…00100110011011010100
31120111002020111000021001
412131320200212123110
524240114240142122
6540053420033044
744051505641155
oct6357040463324
91514066430231
10444403443412
1116151a181675
1272165992784
1332ba3a8b006
141771b50392c
15b85ec99527
hex67788266d4

444403443412 has 24 divisors (see below), whose sum is σ = 833452292736. Its totient is φ = 206796430368.

The previous prime is 444403443377. The next prime is 444403443431. The reversal of 444403443412 is 214344304444.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65273248 + ... + 65280055.

It is an arithmetic number, because the mean of its divisors is an integer number (34727178864).

Almost surely, 2444403443412 is an apocalyptic number.

It is an amenable number.

444403443412 is a deficient number, since it is larger than the sum of its proper divisors (389048849324).

444403443412 is a wasteful number, since it uses less digits than its factorization.

444403443412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130553367 (or 130553365 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 444403443412 its reverse (214344304444), we get a palindrome (658747747856).

The spelling of 444403443412 in words is "four hundred forty-four billion, four hundred three million, four hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 23 37 46 74 92 148 851 1702 3404 130553303 261106606 522213212 3002725969 4830472211 6005451938 9660944422 12010903876 19321888844 111100860853 222201721706 444403443412