Base | Representation |
---|---|
bin | 100100010111001… |
… | …0100101110111111 |
3 | 10011000211122210211 |
4 | 1020232110232333 |
5 | 4444321244403 |
6 | 321023013251 |
7 | 42143463622 |
oct | 11056245677 |
9 | 3130748724 |
10 | 1220103103 |
11 | 57679757a |
12 | 2a073a227 |
13 | 165a127cb |
14 | b8083db9 |
15 | 721ac06d |
hex | 48b94bbf |
1220103103 has 8 divisors (see below), whose sum is σ = 1281586176. Its totient is φ = 1159323000.
The previous prime is 1220103061. The next prime is 1220103119. The reversal of 1220103103 is 3013010221.
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 1220103103 - 29 = 1220102591 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220103193) 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, 172183 + ... + 179128.
It is an arithmetic number, because the mean of its divisors is an integer number (160198272).
Almost surely, 21220103103 is an apocalyptic number.
1220103103 is a deficient number, since it is larger than the sum of its proper divisors (61483073).
1220103103 is a wasteful number, since it uses less digits than its factorization.
1220103103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351485.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1220103103 is about 34929.9742771162. The cubic root of 1220103103 is about 1068.5598300170.
Adding to 1220103103 its reverse (3013010221), we get a palindrome (4233113324).
The spelling of 1220103103 in words is "one billion, two hundred twenty million, one hundred three thousand, one hundred three".
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