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128844203195094 = 23176718853409891
BaseRepresentation
bin11101010010111011100000…
…111101100111101011010110
3121220012101102001102011000020
4131102323200331213223112
5113341440412004220334
61134010113153130010
736065454316025352
oct3522734075475326
9556171361364006
10128844203195094
1138065579818932
121254aa52b59906
1356b7c57aa6b2a
1423b614256a462
15ed68003a5e49
hex752ee0f67ad6

128844203195094 has 32 divisors (see below), whose sum is σ = 276918884493696. Its totient is φ = 39818401687680.

The previous prime is 128844203195093. The next prime is 128844203195131. The reversal of 128844203195094 is 490591302448821.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128844203195093) 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, 9426698112 + ... + 9426711779.

It is an arithmetic number, because the mean of its divisors is an integer number (8653715140428).

Almost surely, 2128844203195094 is an apocalyptic number.

128844203195094 is an abundant number, since it is smaller than the sum of its proper divisors (148074681298602).

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

128844203195094 is a wasteful number, since it uses less digits than its factorization.

128844203195094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18853409980.

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 128844203195094 in words is "one hundred twenty-eight trillion, eight hundred forty-four billion, two hundred three million, one hundred ninety-five thousand, ninety-four".

Divisors: 1 2 3 6 17 34 51 67 102 134 201 402 1139 2278 3417 6834 18853409891 37706819782 56560229673 113120459346 320507968147 641015936294 961523904441 1263178462697 1923047808882 2526356925394 3789535388091 7579070776182 21474033865849 42948067731698 64422101597547 128844203195094