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44004000012 = 2237673778391
BaseRepresentation
bin101000111110110101…
…111100000100001100
311012120201021210221020
4220332311330010030
51210110011000022
632114250234140
73115313554140
oct507665740414
9135521253836
1044004000012
1117731124565
128640a25950
1341c377483b
1421b6283220
15122829c35c
hexa3ed7c10c

44004000012 has 48 divisors (see below), whose sum is σ = 117518510592. Its totient is φ = 12553873920.

The previous prime is 44003999987. The next prime is 44004000017. The reversal of 44004000012 is 21000040044.

44004000012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 44003999955 and 44004000000.

It is not an unprimeable number, because it can be changed into a prime (44004000017) 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, 332664 + ... + 445727.

It is an arithmetic number, because the mean of its divisors is an integer number (2448302304).

Almost surely, 244004000012 is an apocalyptic number.

44004000012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

44004000012 is an abundant number, since it is smaller than the sum of its proper divisors (73514510580).

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

44004000012 is a wasteful number, since it uses less digits than its factorization.

44004000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779078 (or 779076 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 44004000012 its reverse (21000040044), we get a palindrome (65004040056).

The spelling of 44004000012 in words is "forty-four billion, four million, twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 673 1346 2019 2692 4038 4711 8076 9422 14133 18844 28266 56532 778391 1556782 2335173 3113564 4670346 5448737 9340692 10897474 16346211 21794948 32692422 65384844 523857143 1047714286 1571571429 2095428572 3143142858 3667000001 6286285716 7334000002 11001000003 14668000004 22002000006 44004000012