Base | Representation |
---|---|
bin | 100111110000110001… |
… | …0100010111010111001 |
3 | 22011101212011111012121 |
4 | 1033201202202322321 |
5 | 2344333401330103 |
6 | 103120555441241 |
7 | 6112000433551 |
oct | 1174142427271 |
9 | 264355144177 |
10 | 85388308153 |
11 | 33238523815 |
12 | 14670456221 |
13 | 808a570335 |
14 | 41c063a161 |
15 | 234b5796bd |
hex | 13e18a2eb9 |
85388308153 has 8 divisors (see below), whose sum is σ = 85652532680. Its totient is φ = 85124148480.
The previous prime is 85388308147. The next prime is 85388308193. The reversal of 85388308153 is 35180388358.
It can be written as a sum of positive squares in 4 ways, for example, as 1339340409 + 84048967744 = 36597^2 + 289912^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85388308153 - 217 = 85388177081 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 85388308153.
It is not an unprimeable number, because it can be changed into a prime (85388308133) 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, 4718743 + ... + 4736803.
It is an arithmetic number, because the mean of its divisors is an integer number (10706566585).
Almost surely, 285388308153 is an apocalyptic number.
It is an amenable number.
85388308153 is a deficient number, since it is larger than the sum of its proper divisors (264224527).
85388308153 is a wasteful number, since it uses less digits than its factorization.
85388308153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32427.
The product of its (nonzero) digits is 2764800, while the sum is 52.
The spelling of 85388308153 in words is "eighty-five billion, three hundred eighty-eight million, three hundred eight thousand, one hundred fifty-three".
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