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85219693055 = 578117299969
BaseRepresentation
bin100111101011101111…
…1010101000111111111
322010222002212221202222
41033113133111013333
52344012220134210
6103052133435555
76104552303420
oct1172737250777
9263862787688
1085219693055
11331613277a2
1214623a9bbbb
1380616544a3
1441a60a7647
15233b86e655
hex13d77d51ff

85219693055 has 16 divisors (see below), whose sum is σ = 116887510080. Its totient is φ = 58428966912.

The previous prime is 85219692997. The next prime is 85219693099. The reversal of 85219693055 is 55039691258.

It is a cyclic number.

It is not a de Polignac number, because 85219693055 - 26 = 85219692991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85219692988 and 85219693006.

It is a congruent number.

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, 134111 + ... + 434079.

It is an arithmetic number, because the mean of its divisors is an integer number (7305469380).

Almost surely, 285219693055 is an apocalyptic number.

85219693055 is a deficient number, since it is larger than the sum of its proper divisors (31667817025).

85219693055 is a wasteful number, since it uses less digits than its factorization.

85219693055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308098.

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 85219693055 in words is "eighty-five billion, two hundred nineteen million, six hundred ninety-three thousand, fifty-five".

Divisors: 1 5 7 35 8117 40585 56819 284095 299969 1499845 2099783 10498915 2434848373 12174241865 17043938611 85219693055