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61834641485185 = 536313405929027
BaseRepresentation
bin11100000111100111111111…
…10101110010110110000001
322002221100000111000110111201
432003303333311302312001
531101044321210011220
6335302235300341201
716011256026313222
oct1603637765626601
9262840014013451
1061834641485185
111877aa19102298
126b27b743a4801
132866c9b96c60a
14113ab53b69249
157236da96ed0a
hex383cffd72d81

61834641485185 has 8 divisors (see below), whose sum is σ = 74222005378176. Its totient is φ = 49454089457520.

The previous prime is 61834641485153. The next prime is 61834641485189. The reversal of 61834641485185 is 58158414643816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61834641485185 - 25 = 61834641485153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61834641485189) 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, 1702946359 + ... + 1702982668.

It is an arithmetic number, because the mean of its divisors is an integer number (9277750672272).

Almost surely, 261834641485185 is an apocalyptic number.

It is an amenable number.

61834641485185 is a deficient number, since it is larger than the sum of its proper divisors (12387363892991).

61834641485185 is a wasteful number, since it uses less digits than its factorization.

61834641485185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405932663.

The product of its digits is 88473600, while the sum is 64.

The spelling of 61834641485185 in words is "sixty-one trillion, eight hundred thirty-four billion, six hundred forty-one million, four hundred eighty-five thousand, one hundred eighty-five".

Divisors: 1 5 3631 18155 3405929027 17029645135 12366928297037 61834641485185