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85268446823 = 712181206689
BaseRepresentation
bin100111101101001100…
…1010011111001100111
322011002111121220101002
41033122121103321213
52344112210244243
6103101034423515
76106013560610
oct1173231237147
9264074556332
1085268446823
11331868a716a
1214638291b9b
13806b794581
1441ac758c07
152340c9eeb8
hex13da653e67

85268446823 has 4 divisors (see below), whose sum is σ = 97449653520. Its totient is φ = 73087240128.

The previous prime is 85268446819. The next prime is 85268446843. The reversal of 85268446823 is 32864486258.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85268446823 - 22 = 85268446819 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 (85268446843) 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, 6090603338 + ... + 6090603351.

It is an arithmetic number, because the mean of its divisors is an integer number (24362413380).

Almost surely, 285268446823 is an apocalyptic number.

85268446823 is a deficient number, since it is larger than the sum of its proper divisors (12181206697).

85268446823 is a wasteful number, since it uses less digits than its factorization.

85268446823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12181206696.

The product of its digits is 17694720, while the sum is 56.

The spelling of 85268446823 in words is "eighty-five billion, two hundred sixty-eight million, four hundred forty-six thousand, eight hundred twenty-three".

Divisors: 1 7 12181206689 85268446823