Base | Representation |
---|---|
bin | 100111110010110000… |
… | …1101010100111000011 |
3 | 22011120112000020212122 |
4 | 1033211201222213003 |
5 | 2400003011430441 |
6 | 103131345114455 |
7 | 6113442046022 |
oct | 1174541524703 |
9 | 264515006778 |
10 | 85455186371 |
11 | 33272252375 |
12 | 1468a928a2b |
13 | 809b387c49 |
14 | 41c94888b9 |
15 | 235238a34b |
hex | 13e586a9c3 |
85455186371 has 8 divisors (see below), whose sum is σ = 87157268784. Its totient is φ = 83756427040.
The previous prime is 85455186329. The next prime is 85455186379. The reversal of 85455186371 is 17368155458.
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-85455186371 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (53).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85455186379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778796 + ... + 881721.
It is an arithmetic number, because the mean of its divisors is an integer number (10894658598).
Almost surely, 285455186371 is an apocalyptic number.
85455186371 is a deficient number, since it is larger than the sum of its proper divisors (1702082413).
85455186371 is a wasteful number, since it uses less digits than its factorization.
85455186371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1661541.
The product of its digits is 4032000, while the sum is 53.
The spelling of 85455186371 in words is "eighty-five billion, four hundred fifty-five million, one hundred eighty-six thousand, three hundred seventy-one".
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