Base | Representation |
---|---|
bin | 110000011001100… |
… | …010001110100000 |
3 | 2002120220212211000 |
4 | 300121202032200 |
5 | 3130333001120 |
6 | 212323552000 |
7 | 26056613256 |
oct | 6031421640 |
9 | 2076825730 |
10 | 812000160 |
11 | 387397814 |
12 | 1a7b2b600 |
13 | cc2c4c8a |
14 | 79bb05d6 |
15 | 4b447990 |
hex | 306623a0 |
812000160 has 96 divisors (see below), whose sum is σ = 2842015680. Its totient is φ = 216532224.
The previous prime is 812000159. The next prime is 812000171. The reversal of 812000160 is 61000218.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89662 + ... + 98301.
It is an arithmetic number, because the mean of its divisors is an integer number (29604330).
Almost surely, 2812000160 is an apocalyptic number.
812000160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
812000160 is an abundant number, since it is smaller than the sum of its proper divisors (2030015520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
812000160 is a wasteful number, since it uses less digits than its factorization.
812000160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187987 (or 187973 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 812000160 is about 28495.6165049995. The cubic root of 812000160 is about 932.9364003752.
Adding to 812000160 its reverse (61000218), we get a palindrome (873000378).
The spelling of 812000160 in words is "eight hundred twelve million, one hundred sixty", and thus it is an aban number.
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