Base | Representation |
---|---|
bin | 1100001011010… |
… | …01010101010100 |
3 | 21010012102021210 |
4 | 12011221111110 |
5 | 202122041231 |
6 | 14045141420 |
7 | 2350126632 |
oct | 605512524 |
9 | 233172253 |
10 | 102143316 |
11 | 52725870 |
12 | 2a25a870 |
13 | 18214242 |
14 | d7cc352 |
15 | 8e79a46 |
hex | 6169554 |
102143316 has 96 divisors (see below), whose sum is σ = 276595200. Its totient is φ = 29013120.
The previous prime is 102143311. The next prime is 102143323. The reversal of 102143316 is 613341201.
It is a super-3 number, since 3×1021433163 (a number of 25 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102143292 and 102143301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102143311) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348466 + ... + 348758.
It is an arithmetic number, because the mean of its divisors is an integer number (2881200).
Almost surely, 2102143316 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102143316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138297600).
102143316 is an abundant number, since it is smaller than the sum of its proper divisors (174451884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102143316 is a wasteful number, since it uses less digits than its factorization.
102143316 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469 (or 467 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 102143316 is about 10106.5976470818. The cubic root of 102143316 is about 467.4516003160.
Adding to 102143316 its reverse (613341201), we get a palindrome (715484517).
It can be divided in two parts, 10214 and 3316, that added together give a triangular number (13530 = T164).
The spelling of 102143316 in words is "one hundred two million, one hundred forty-three thousand, three hundred sixteen".
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