Base | Representation |
---|---|
bin | 111100110011110… |
… | …010101110110111 |
3 | 2122002201001011101 |
4 | 330303302232313 |
5 | 4042133210403 |
6 | 245122350531 |
7 | 34165433323 |
oct | 7463625667 |
9 | 2562631141 |
10 | 1020210103 |
11 | 483977a50 |
12 | 2457bb447 |
13 | 133495123 |
14 | 996cc983 |
15 | 5e87471d |
hex | 3ccf2bb7 |
1020210103 has 16 divisors (see below), whose sum is σ = 1229665536. Its totient is φ = 834951040.
The previous prime is 1020210101. The next prime is 1020210119. The reversal of 1020210103 is 3010120201.
It is not a de Polignac number, because 1020210103 - 21 = 1020210101 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1020210103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020210101) 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, 114301 + ... + 122902.
It is an arithmetic number, because the mean of its divisors is an integer number (76854096).
Almost surely, 21020210103 is an apocalyptic number.
1020210103 is a deficient number, since it is larger than the sum of its proper divisors (209455433).
1020210103 is a wasteful number, since it uses less digits than its factorization.
1020210103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237254.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1020210103 is about 31940.7279660311. The cubic root of 1020210103 is about 1006.6918206488.
Adding to 1020210103 its reverse (3010120201), we get a palindrome (4030330304).
The spelling of 1020210103 in words is "one billion, twenty million, two hundred ten thousand, one hundred three".
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