Base | Representation |
---|---|
bin | 1001000101010101101… |
… | …00000010000110000111 |
3 | 1002211121000122001211110 |
4 | 10202222310002012013 |
5 | 20103141433141403 |
6 | 355213415140103 |
7 | 31356133142160 |
oct | 4425264020607 |
9 | 1084530561743 |
10 | 312103412103 |
11 | 1103a926aa1a |
12 | 505a2974633 |
13 | 2357b530012 |
14 | 1116a79c767 |
15 | 81ba05a103 |
hex | 48aad02187 |
312103412103 has 8 divisors (see below), whose sum is σ = 475586151808. Its totient is φ = 178344806904.
The previous prime is 312103412081. The next prime is 312103412129. The reversal of 312103412103 is 301214301213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312103412103 - 26 = 312103412039 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 14862067243 = 312103412103 / (3 + 1 + 2 + 1 + 0 + 3 + 4 + 1 + 2 + 1 + 0 + 3).
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 312103412103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312103412503) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7431033601 + ... + 7431033642.
It is an arithmetic number, because the mean of its divisors is an integer number (59448268976).
Almost surely, 2312103412103 is an apocalyptic number.
312103412103 is a deficient number, since it is larger than the sum of its proper divisors (163482739705).
312103412103 is a wasteful number, since it uses less digits than its factorization.
312103412103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14862067253.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 312103412103 its reverse (301214301213), we get a palindrome (613317713316).
It can be divided in two parts, 312103 and 412103, that added together give a triangular number (724206 = T1203).
The spelling of 312103412103 in words is "three hundred twelve billion, one hundred three million, four hundred twelve thousand, one hundred three".
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