Base | Representation |
---|---|
bin | 1100001011010… |
… | …00100011000111 |
3 | 21010012020212210 |
4 | 12011220203013 |
5 | 202121440403 |
6 | 14045114503 |
7 | 2350114362 |
oct | 605504307 |
9 | 233166783 |
10 | 102140103 |
11 | 5272340a |
12 | 2a258a33 |
13 | 18212940 |
14 | d7cb0d9 |
15 | 8e78b03 |
hex | 61688c7 |
102140103 has 16 divisors (see below), whose sum is σ = 148732416. Its totient is φ = 61968480.
The previous prime is 102140089. The next prime is 102140111. The reversal of 102140103 is 301041201.
It is a happy number.
It is not a de Polignac number, because 102140103 - 226 = 35031239 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102140123) 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, 15675 + ... + 21212.
It is an arithmetic number, because the mean of its divisors is an integer number (9295776).
Almost surely, 2102140103 is an apocalyptic number.
102140103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
102140103 is a deficient number, since it is larger than the sum of its proper divisors (46592313).
102140103 is a wasteful number, since it uses less digits than its factorization.
102140103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36974.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 102140103 is about 10106.4386902608. The cubic root of 102140103 is about 467.4466989095.
Adding to 102140103 its reverse (301041201), we get a palindrome (403181304).
The spelling of 102140103 in words is "one hundred two million, one hundred forty thousand, one hundred three".
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