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85228088717 = 144235909179
BaseRepresentation
bin100111101011111111…
…1010110110110001101
322010222200200111110102
41033113333112312031
52344021342314332
6103053033420445
76105013541522
oct1172777266615
9263880614412
1085228088717
1133166041562
121462686a725
138063303a35
1441a7251149
15233c47c062
hex13d7fd6d8d

85228088717 has 4 divisors (see below), whose sum is σ = 85234012320. Its totient is φ = 85222165116.

The previous prime is 85228088713. The next prime is 85228088753. The reversal of 85228088717 is 71788082258.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85228088717 - 22 = 85228088713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85228088713) 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, 2940167 + ... + 2969012.

It is an arithmetic number, because the mean of its divisors is an integer number (21308503080).

Almost surely, 285228088717 is an apocalyptic number.

It is an amenable number.

85228088717 is a deficient number, since it is larger than the sum of its proper divisors (5923603).

85228088717 is a wasteful number, since it uses less digits than its factorization.

85228088717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923602.

The product of its (nonzero) digits is 4014080, while the sum is 56.

The spelling of 85228088717 in words is "eighty-five billion, two hundred twenty-eight million, eighty-eight thousand, seven hundred seventeen".

Divisors: 1 14423 5909179 85228088717