Base | Representation |
---|---|
bin | 1100010001111… |
… | …01011010100001 |
3 | 21011211112220022 |
4 | 12020331122201 |
5 | 202332341001 |
6 | 14115523225 |
7 | 2360405351 |
oct | 610753241 |
9 | 234745808 |
10 | 103012001 |
11 | 53169494 |
12 | 2a5b9515 |
13 | 18459761 |
14 | d976b61 |
15 | 909c11b |
hex | 623d6a1 |
103012001 has 4 divisors (see below), whose sum is σ = 103184004. Its totient is φ = 102840000.
The previous prime is 103011991. The next prime is 103012037. The reversal of 103012001 is 100210301.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 78499600 + 24512401 = 8860^2 + 4951^2 .
It is a cyclic number.
It is not a de Polignac number, because 103012001 - 210 = 103010977 is a prime.
It is a super-2 number, since 2×1030120012 = 21222944700048002, which contains 22 as substring.
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 103012001.
It is not an unprimeable number, because it can be changed into a prime (103012501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85100 + ... + 86301.
It is an arithmetic number, because the mean of its divisors is an integer number (25796001).
Almost surely, 2103012001 is an apocalyptic number.
It is an amenable number.
103012001 is a deficient number, since it is larger than the sum of its proper divisors (172003).
103012001 is an equidigital number, since it uses as much as digits as its factorization.
103012001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172002.
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 103012001 is about 10149.4827947044. The cubic root of 103012001 is about 468.7730196458.
Adding to 103012001 its reverse (100210301), we get a palindrome (203222302).
It can be divided in two parts, 1030 and 12001, that added together give a palindrome (13031).
The spelling of 103012001 in words is "one hundred three million, twelve thousand, one".
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