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850531289485 = 5331513916187
BaseRepresentation
bin11000110000001111001…
…11011000100110001101
310000022100222200012202211
430120013213120212031
5102413342002230420
61450421221150421
7115306646450503
oct14300747304615
93008328605684
10850531289485
112a8787815469
12118a0925b411
1362287b08377
142d247474673
15171ce630e5a
hexc6079d898d

850531289485 has 8 divisors (see below), whose sum is σ = 1023721046496. Its totient is φ = 678369365520.

The previous prime is 850531289467. The next prime is 850531289497. The reversal of 850531289485 is 584982135058.

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

It is not a de Polignac number, because 850531289485 - 215 = 850531256717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256956439 + ... + 256959748.

It is an arithmetic number, because the mean of its divisors is an integer number (127965130812).

Almost surely, 2850531289485 is an apocalyptic number.

It is an amenable number.

850531289485 is a deficient number, since it is larger than the sum of its proper divisors (173189757011).

850531289485 is a wasteful number, since it uses less digits than its factorization.

850531289485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513916523.

The product of its (nonzero) digits is 13824000, while the sum is 58.

The spelling of 850531289485 in words is "eight hundred fifty billion, five hundred thirty-one million, two hundred eighty-nine thousand, four hundred eighty-five".

Divisors: 1 5 331 1655 513916187 2569580935 170106257897 850531289485