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85490794286 = 2188159227177
BaseRepresentation
bin100111110011110100…
…1011111111100101110
322011200000000022202022
41033213221133330232
52400041120404121
6103135100230142
76114353522132
oct1174751377456
9264600008668
1085490794286
11332903630a7
121469a83b352
1380a5874611
1441d00b73c2
152355570aab
hex13e7a5ff2e

85490794286 has 8 divisors (see below), whose sum is σ = 128237437440. Its totient is φ = 42744981808.

The previous prime is 85490794271. The next prime is 85490794289. The reversal of 85490794286 is 68249709458.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85490794289) 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, 262730 + ... + 489906.

It is an arithmetic number, because the mean of its divisors is an integer number (16029679680).

Almost surely, 285490794286 is an apocalyptic number.

85490794286 is a deficient number, since it is larger than the sum of its proper divisors (42746643154).

85490794286 is a wasteful number, since it uses less digits than its factorization.

85490794286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415338.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 85490794286 in words is "eighty-five billion, four hundred ninety million, seven hundred ninety-four thousand, two hundred eighty-six".

Divisors: 1 2 188159 227177 376318 454354 42745397143 85490794286