Base | Representation |
---|---|
bin | 100100010111001… |
… | …0100101101101001 |
3 | 10011000211122200122 |
4 | 1020232110231221 |
5 | 4444321244032 |
6 | 321023013025 |
7 | 42143463440 |
oct | 11056245551 |
9 | 3130748618 |
10 | 1220103017 |
11 | 576797501 |
12 | 2a073a175 |
13 | 165a12763 |
14 | b8083d57 |
15 | 721ac012 |
hex | 48b94b69 |
1220103017 has 8 divisors (see below), whose sum is σ = 1396327296. Its totient is φ = 1044359712.
The previous prime is 1220103013. The next prime is 1220103023. The reversal of 1220103017 is 7103010221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1220103017 - 22 = 1220103013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1220102986 and 1220103004.
It is not an unprimeable number, because it can be changed into a prime (1220103013) 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, 114788 + ... + 124965.
It is an arithmetic number, because the mean of its divisors is an integer number (174540912).
Almost surely, 21220103017 is an apocalyptic number.
It is an amenable number.
1220103017 is a deficient number, since it is larger than the sum of its proper divisors (176224279).
1220103017 is an equidigital number, since it uses as much as digits as its factorization.
1220103017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240487.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 1220103017 is about 34929.9730460818. The cubic root of 1220103017 is about 1068.5598049109.
Adding to 1220103017 its reverse (7103010221), we get a palindrome (8323113238).
The spelling of 1220103017 in words is "one billion, two hundred twenty million, one hundred three thousand, seventeen".
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