Base | Representation |
---|---|
bin | 1100001100100… |
… | …11010001011111 |
3 | 21010112010221021 |
4 | 12012103101133 |
5 | 202143040403 |
6 | 14052545011 |
7 | 2351443522 |
oct | 606232137 |
9 | 233463837 |
10 | 102315103 |
11 | 52832940 |
12 | 2a322167 |
13 | 182744a7 |
14 | d834bb9 |
15 | 8eb08bd |
hex | 619345f |
102315103 has 16 divisors (see below), whose sum is σ = 118166400. Its totient is φ = 87706080.
The previous prime is 102315091. The next prime is 102315113. The reversal of 102315103 is 301513201.
It is not a de Polignac number, because 102315103 - 217 = 102184031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102315113) 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, 9988 + ... + 17446.
It is an arithmetic number, because the mean of its divisors is an integer number (7385400).
Almost surely, 2102315103 is an apocalyptic number.
102315103 is a deficient number, since it is larger than the sum of its proper divisors (15851297).
102315103 is a wasteful number, since it uses less digits than its factorization.
102315103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7542.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 102315103 is about 10115.0928320011. The cubic root of 102315103 is about 467.7135105262.
Adding to 102315103 its reverse (301513201), we get a palindrome (403828304).
The spelling of 102315103 in words is "one hundred two million, three hundred fifteen thousand, one hundred three".
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