Base | Representation |
---|---|
bin | 101111111101101001… |
… | …0101010110100101101 |
3 | 100211212021002110111212 |
4 | 1133323102222310231 |
5 | 3141421024114041 |
6 | 115152340124205 |
7 | 10304304310253 |
oct | 1377322526455 |
9 | 324767073455 |
10 | 103000223021 |
11 | 3a755a39063 |
12 | 17b66696665 |
13 | 9936271637 |
14 | 4db16c45d3 |
15 | 2a2c8248eb |
hex | 17fb4aad2d |
103000223021 has 4 divisors (see below), whose sum is σ = 103139601600. Its totient is φ = 102860844444.
The previous prime is 103000223017. The next prime is 103000223063. The reversal of 103000223021 is 120322000301.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 103000223021 - 22 = 103000223017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 103000222987 and 103000223005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103000123021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69688181 + ... + 69689658.
It is an arithmetic number, because the mean of its divisors is an integer number (25784900400).
Almost surely, 2103000223021 is an apocalyptic number.
It is an amenable number.
103000223021 is a deficient number, since it is larger than the sum of its proper divisors (139378579).
103000223021 is an equidigital number, since it uses as much as digits as its factorization.
103000223021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139378578.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 103000223021 its reverse (120322000301), we get a palindrome (223322223322).
The spelling of 103000223021 in words is "one hundred three billion, two hundred twenty-three thousand, twenty-one".
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