Base | Representation |
---|---|
bin | 1001000101010101100… |
… | …10100010011001000111 |
3 | 1002211120222220011002221 |
4 | 10202222302202121013 |
5 | 20103141333120403 |
6 | 355213402513211 |
7 | 31356126620260 |
oct | 4425262423107 |
9 | 1084528804087 |
10 | 312103020103 |
11 | 1103a9022456 |
12 | 505a2805807 |
13 | 2357b423774 |
14 | 1116a6d9967 |
15 | 81b9ecddbd |
hex | 48aaca2647 |
312103020103 has 32 divisors (see below), whose sum is σ = 379572480000. Its totient is φ = 250936385280.
The previous prime is 312103020071. The next prime is 312103020107. The reversal of 312103020103 is 301020301213.
It is not a de Polignac number, because 312103020103 - 25 = 312103020071 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312103020107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1910748 + ... + 2067646.
It is an arithmetic number, because the mean of its divisors is an integer number (11861640000).
Almost surely, 2312103020103 is an apocalyptic number.
312103020103 is a deficient number, since it is larger than the sum of its proper divisors (67469459897).
312103020103 is a wasteful number, since it uses less digits than its factorization.
312103020103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157215.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 312103020103 its reverse (301020301213), we get a palindrome (613123321316).
The spelling of 312103020103 in words is "three hundred twelve billion, one hundred three million, twenty thousand, one hundred three".
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