Base | Representation |
---|---|
bin | 110000000100010001… |
… | …0001110110100000101 |
3 | 100212102202011112211002 |
4 | 1200020202032310011 |
5 | 3142344414001110 |
6 | 115230354223045 |
7 | 10312642656236 |
oct | 1401042166405 |
9 | 325382145732 |
10 | 103222406405 |
11 | 3a85a3a2798 |
12 | 18008b84a85 |
13 | 99702c4ab1 |
14 | 4dd2ddd08d |
15 | 2a420b1aa5 |
hex | 180888ed05 |
103222406405 has 4 divisors (see below), whose sum is σ = 123866887692. Its totient is φ = 82577925120.
The previous prime is 103222406359. The next prime is 103222406423. The reversal of 103222406405 is 504604222301.
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 36863616001 + 66358790404 = 191999^2 + 257602^2 .
It is not a de Polignac number, because 103222406405 - 26 = 103222406341 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 10322240636 + ... + 10322240645.
It is an arithmetic number, because the mean of its divisors is an integer number (30966721923).
Almost surely, 2103222406405 is an apocalyptic number.
It is an amenable number.
103222406405 is a deficient number, since it is larger than the sum of its proper divisors (20644481287).
103222406405 is an equidigital number, since it uses as much as digits as its factorization.
103222406405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20644481286.
The product of its (nonzero) digits is 11520, while the sum is 29.
Adding to 103222406405 its reverse (504604222301), we get a palindrome (607826628706).
The spelling of 103222406405 in words is "one hundred three billion, two hundred twenty-two million, four hundred six thousand, four hundred five".
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