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444537120012 = 22347788186383
BaseRepresentation
bin1100111100000000111…
…10100010010100001100
31120111102120000111002020
412132000132202110030
524240403000320022
6540114553130140
744055021113646
oct6360036422414
91514376014066
10444537120012
111615886848a7
12721a26b9950
1332bc56930ab
141773117d896
15b86b8a235c
hex67807a250c

444537120012 has 24 divisors (see below), whose sum is σ = 1059322500096. Its totient is φ = 145026294288.

The previous prime is 444537120011. The next prime is 444537120091. The reversal of 444537120012 is 210021735444.

It is a super-2 number, since 2×4445371200122 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444537120011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394092628 + ... + 394093755.

It is an arithmetic number, because the mean of its divisors is an integer number (44138437504).

Almost surely, 2444537120012 is an apocalyptic number.

It is an amenable number.

444537120012 is an abundant number, since it is smaller than the sum of its proper divisors (614785380084).

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

444537120012 is a wasteful number, since it uses less digits than its factorization.

444537120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788186437 (or 788186435 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

Adding to 444537120012 its reverse (210021735444), we get a palindrome (654558855456).

The spelling of 444537120012 in words is "four hundred forty-four billion, five hundred thirty-seven million, one hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 788186383 1576372766 2364559149 3152745532 4729118298 9458236596 37044760001 74089520002 111134280003 148179040004 222268560006 444537120012