Base | Representation |
---|---|
bin | 100100010110111… |
… | …1110000110110110 |
3 | 10011000122221200012 |
4 | 1020231332012312 |
5 | 4444310313142 |
6 | 321021020222 |
7 | 42142626461 |
oct | 11055760666 |
9 | 3130587605 |
10 | 1220010422 |
11 | 576733984 |
12 | 2a06b4672 |
13 | 1659ac577 |
14 | b805c2d8 |
15 | 7218e882 |
hex | 48b7e1b6 |
1220010422 has 4 divisors (see below), whose sum is σ = 1830015636. Its totient is φ = 610005210.
The previous prime is 1220010403. The next prime is 1220010439. The reversal of 1220010422 is 2240100221.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 1220010397 and 1220010406.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 305002604 + ... + 305002607.
It is an arithmetic number, because the mean of its divisors is an integer number (457503909).
Almost surely, 21220010422 is an apocalyptic number.
1220010422 is a deficient number, since it is larger than the sum of its proper divisors (610005214).
1220010422 is an equidigital number, since it uses as much as digits as its factorization.
1220010422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 610005213.
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 1220010422 is about 34928.6475833233. The cubic root of 1220010422 is about 1068.5327728224.
Adding to 1220010422 its reverse (2240100221), we get a palindrome (3460110643).
It can be divided in two parts, 12200 and 10422, that added together give a palindrome (22622).
The spelling of 1220010422 in words is "one billion, two hundred twenty million, ten thousand, four hundred twenty-two".
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