Base | Representation |
---|---|
bin | 100100010110111… |
… | …1110110010010010 |
3 | 10011000200002111011 |
4 | 1020231332302102 |
5 | 4444310410302 |
6 | 321021041134 |
7 | 42142640542 |
oct | 11055766222 |
9 | 3130602434 |
10 | 1220013202 |
11 | 576735a81 |
12 | 2a06b61aa |
13 | 1659b0905 |
14 | b805d322 |
15 | 721905d7 |
hex | 48b7ec92 |
1220013202 has 8 divisors (see below), whose sum is σ = 1832157756. Its totient is φ = 609293952.
The previous prime is 1220013191. The next prime is 1220013217. The reversal of 1220013202 is 2023100221.
It can be written as a sum of positive squares in 2 ways, for example, as 1113490161 + 106523041 = 33369^2 + 10321^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354183 + ... + 357610.
Almost surely, 21220013202 is an apocalyptic number.
1220013202 is a deficient number, since it is larger than the sum of its proper divisors (612144554).
1220013202 is an equidigital number, since it uses as much as digits as its factorization.
1220013202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 712652.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 1220013202 is about 34928.6873787149. The cubic root of 1220013202 is about 1068.5335844327.
Adding to 1220013202 its reverse (2023100221), we get a palindrome (3243113423).
The spelling of 1220013202 in words is "one billion, two hundred twenty million, thirteen thousand, two hundred two".
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