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445714790172 = 22337142899181
BaseRepresentation
bin1100111110001101010…
…10111111011100011100
31120121110122000022211120
412133012222333130130
524300310441241142
6540431502450540
744126141130441
oct6370652773434
91517418008746
10445714790172
11162032419923
1272470b93a50
1333052669842
14178037399c8
15b8d9e7b7ec
hex67c6abf71c

445714790172 has 12 divisors (see below), whose sum is σ = 1040001177096. Its totient is φ = 148571596720.

The previous prime is 445714790149. The next prime is 445714790177. The reversal of 445714790172 is 271097417544.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445714790177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18571449579 + ... + 18571449602.

It is an arithmetic number, because the mean of its divisors is an integer number (86666764758).

Almost surely, 2445714790172 is an apocalyptic number.

It is an amenable number.

445714790172 is an abundant number, since it is smaller than the sum of its proper divisors (594286386924).

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

445714790172 is a wasteful number, since it uses less digits than its factorization.

445714790172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37142899188 (or 37142899186 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 445714790172 in words is "four hundred forty-five billion, seven hundred fourteen million, seven hundred ninety thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 37142899181 74285798362 111428697543 148571596724 222857395086 445714790172