Base | Representation |
---|---|
bin | 100111101001001… |
… | …1000110001000101 |
3 | 10102201001011221011 |
4 | 1033102120301011 |
5 | 10211014020401 |
6 | 335555122221 |
7 | 44651453500 |
oct | 11722306105 |
9 | 3381034834 |
10 | 1330220101 |
11 | 622969061 |
12 | 3115a3371 |
13 | 1827891b2 |
14 | c894a137 |
15 | 7bbae451 |
hex | 4f498c45 |
1330220101 has 12 divisors (see below), whose sum is σ = 1548264780. Its totient is φ = 1139550720.
The previous prime is 1330220083. The next prime is 1330220117. The reversal of 1330220101 is 1010220331.
It can be written as a sum of positive squares in 2 ways, for example, as 197964900 + 1132255201 = 14070^2 + 33649^2 .
It is not a de Polignac number, because 1330220101 - 25 = 1330220069 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 (1330224101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94821 + ... + 107941.
It is an arithmetic number, because the mean of its divisors is an integer number (129022065).
Almost surely, 21330220101 is an apocalyptic number.
It is an amenable number.
1330220101 is a deficient number, since it is larger than the sum of its proper divisors (218044679).
1330220101 is a wasteful number, since it uses less digits than its factorization.
1330220101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15204 (or 15197 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1330220101 is about 36472.1825642503. The cubic root of 1330220101 is about 1099.7851098136.
Adding to 1330220101 its reverse (1010220331), we get a palindrome (2340440432).
The spelling of 1330220101 in words is "one billion, three hundred thirty million, two hundred twenty thousand, one hundred one".
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