Base | Representation |
---|---|
bin | 1100001100100… |
… | …10101001001011 |
3 | 21010112000101201 |
4 | 12012102221023 |
5 | 202143000043 |
6 | 14052525031 |
7 | 2351433145 |
oct | 606225113 |
9 | 233460351 |
10 | 102312523 |
11 | 52830a05 |
12 | 2a320777 |
13 | 18273271 |
14 | d833c95 |
15 | 8eaec4d |
hex | 6192a4b |
102312523 has 16 divisors (see below), whose sum is σ = 107331840. Its totient is φ = 97451424.
The previous prime is 102312517. The next prime is 102312569. The reversal of 102312523 is 325213201.
It is a cyclic number.
It is not a de Polignac number, because 102312523 - 213 = 102304331 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 102312523.
It is not an unprimeable number, because it can be changed into a prime (102312503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388890 + ... + 389152.
It is an arithmetic number, because the mean of its divisors is an integer number (6708240).
Almost surely, 2102312523 is an apocalyptic number.
102312523 is a deficient number, since it is larger than the sum of its proper divisors (5019317).
102312523 is a wasteful number, since it uses less digits than its factorization.
102312523 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 498.
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 102312523 is about 10114.9652990013. The cubic root of 102312523 is about 467.7095791712.
Adding to 102312523 its reverse (325213201), we get a palindrome (427525724).
The spelling of 102312523 in words is "one hundred two million, three hundred twelve thousand, five hundred twenty-three".
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