Base | Representation |
---|---|
bin | 100110010011100… |
… | …0101011001110100 |
3 | 10022120112201120022 |
4 | 1030213011121310 |
5 | 10113020023124 |
6 | 331312424312 |
7 | 43564663421 |
oct | 11447053164 |
9 | 3276481508 |
10 | 1285314164 |
11 | 5aa587612 |
12 | 2ba548098 |
13 | 176395634 |
14 | c29bad48 |
15 | 77c8dc5e |
hex | 4c9c5674 |
1285314164 has 24 divisors (see below), whose sum is σ = 2299936128. Its totient is φ = 628316640.
The previous prime is 1285314143. The next prime is 1285314167. The reversal of 1285314164 is 4614135821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1285314167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24977 + ... + 56519.
It is an arithmetic number, because the mean of its divisors is an integer number (95830672).
Almost surely, 21285314164 is an apocalyptic number.
It is an amenable number.
1285314164 is a deficient number, since it is larger than the sum of its proper divisors (1014621964).
1285314164 is a wasteful number, since it uses less digits than its factorization.
1285314164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31775 (or 31773 counting only the distinct ones).
The product of its digits is 23040, while the sum is 35.
The square root of 1285314164 is about 35851.2784151416. The cubic root of 1285314164 is about 1087.2675616147.
Adding to 1285314164 its reverse (4614135821), we get a palindrome (5899449985).
The spelling of 1285314164 in words is "one billion, two hundred eighty-five million, three hundred fourteen thousand, one hundred sixty-four".
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