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85670488811 = 277593521551
BaseRepresentation
bin100111111001001011…
…0111110101011101011
322012010112010202022002
41033302112332223223
52400423121120221
6103204555521215
76121665065645
oct1176226765353
9265115122262
1085670488811
1133372837276
121472aa5920b
138103b6c43b
144209cd1895
15236621880b
hex13f25beaeb

85670488811 has 8 divisors (see below), whose sum is σ = 86124924864. Its totient is φ = 85217097600.

The previous prime is 85670488763. The next prime is 85670488819. The reversal of 85670488811 is 11888407658.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85670488811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85670488819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96515 + ... + 425036.

It is an arithmetic number, because the mean of its divisors is an integer number (10765615608).

Almost surely, 285670488811 is an apocalyptic number.

85670488811 is a deficient number, since it is larger than the sum of its proper divisors (454436053).

85670488811 is a wasteful number, since it uses less digits than its factorization.

85670488811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522421.

The product of its (nonzero) digits is 3440640, while the sum is 56.

The spelling of 85670488811 in words is "eighty-five billion, six hundred seventy million, four hundred eighty-eight thousand, eight hundred eleven".

Divisors: 1 277 593 164261 521551 144469627 309279743 85670488811