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171941085008 = 24711139562569
BaseRepresentation
bin1010000000100001111…
…1001011111101010000
3121102210212111010011122
42200020133023331100
510304113404210013
6210553314101412
715264601052060
oct2401037137520
9542725433148
10171941085008
1166a13295060
12293a687a868
13132a21442b4
1484717973a0
154714e71a08
hex28087cbf50

171941085008 has 40 divisors (see below), whose sum is σ = 415338208320. Its totient is φ = 66990032640.

The previous prime is 171941084933. The next prime is 171941085013. The reversal of 171941085008 is 800580149171.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a self number, because there is not a number n which added to its sum of digits gives 171941085008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69780053 + ... + 69782516.

It is an arithmetic number, because the mean of its divisors is an integer number (10383455208).

Almost surely, 2171941085008 is an apocalyptic number.

It is an amenable number.

171941085008 is an abundant number, since it is smaller than the sum of its proper divisors (243397123312).

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

171941085008 is a wasteful number, since it uses less digits than its factorization.

171941085008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139562595 (or 139562589 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 171941085008 in words is "one hundred seventy-one billion, nine hundred forty-one million, eighty-five thousand, eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 308 616 1232 139562569 279125138 558250276 976937983 1116500552 1535188259 1953875966 2233001104 3070376518 3907751932 6140753036 7815503864 10746317813 12281506072 15631007728 21492635626 24563012144 42985271252 85970542504 171941085008