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85764141841 = 721750288609
BaseRepresentation
bin100111111011111110…
…0001111001100010001
322012101001100211002211
41033313330033030101
52401121110014331
6103222143112121
76124213114600
oct1176774171421
9265331324084
1085764141841
1133410693174
12147562a2641
13811a3a0031
14421850da37
15236e5678b1
hex13f7f0f311

85764141841 has 6 divisors (see below), whose sum is σ = 99766450770. Its totient is φ = 73512121536.

The previous prime is 85764141811. The next prime is 85764141893. The reversal of 85764141841 is 14814146758.

It can be written as a sum of positive squares in only one way, i.e., 73493041216 + 12271100625 = 271096^2 + 110775^2 .

It is not a de Polignac number, because 85764141841 - 221 = 85762044689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 1750288609 = 85764141841 / (8 + 5 + 7 + 6 + 4 + 1 + 4 + 1 + 8 + 4 + 1).

It is not an unprimeable number, because it can be changed into a prime (85764141811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 875144256 + ... + 875144353.

It is an arithmetic number, because the mean of its divisors is an integer number (16627741795).

Almost surely, 285764141841 is an apocalyptic number.

It is an amenable number.

85764141841 is a deficient number, since it is larger than the sum of its proper divisors (14002308929).

85764141841 is a wasteful number, since it uses less digits than its factorization.

85764141841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750288623 (or 1750288616 counting only the distinct ones).

The product of its digits is 860160, while the sum is 49.

The spelling of 85764141841 in words is "eighty-five billion, seven hundred sixty-four million, one hundred forty-one thousand, eight hundred forty-one".

Divisors: 1 7 49 1750288609 12252020263 85764141841