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85302221305 = 5719128274017
BaseRepresentation
bin100111101110001101…
…0001001100111111001
322011011212011211020211
41033130122021213321
52344144332040210
6103104242351121
76106603626520
oct1173432114771
9264155154224
1085302221305
11331a3975464
121464765b4a1
13807578b582
1441b302b4b7
152343c2238a
hex13dc6899f9

85302221305 has 16 divisors (see below), whose sum is σ = 123143057280. Its totient is φ = 55414374912.

The previous prime is 85302221297. The next prime is 85302221341. The reversal of 85302221305 is 50312220358.

It is not a de Polignac number, because 85302221305 - 23 = 85302221297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64136344 + ... + 64137673.

It is an arithmetic number, because the mean of its divisors is an integer number (7696441080).

Almost surely, 285302221305 is an apocalyptic number.

It is an amenable number.

85302221305 is a deficient number, since it is larger than the sum of its proper divisors (37840835975).

85302221305 is a wasteful number, since it uses less digits than its factorization.

85302221305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128274048.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 85302221305 in words is "eighty-five billion, three hundred two million, two hundred twenty-one thousand, three hundred five".

Divisors: 1 5 7 19 35 95 133 665 128274017 641370085 897918119 2437206323 4489590595 12186031615 17060444261 85302221305