Base | Representation |
---|---|
bin | 11100000010010010… |
… | …111100010010000001 |
3 | 2212200221122122000001 |
4 | 130002102330102001 |
5 | 443122420303014 |
6 | 21455042000001 |
7 | 2113662515551 |
oct | 340222742201 |
9 | 85627578001 |
10 | 30103291009 |
11 | 11848583100 |
12 | 5a01646001 |
13 | 2ab98bb83c |
14 | 1658055161 |
15 | bb2c2d974 |
hex | 7024bc481 |
30103291009 has 9 divisors (see below), whose sum is σ = 33090839299. Its totient is φ = 27364893160.
The previous prime is 30103290947. The next prime is 30103291013. The reversal of 30103291009 is 90019230103.
The square root of 30103291009 is 173503.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 17642480625 + 12460810384 = 132825^2 + 111628^2 .
It is not a de Polignac number, because 30103291009 - 211 = 30103288961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30103291609) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1900647 + ... + 1916419.
Almost surely, 230103291009 is an apocalyptic number.
30103291009 is the 173503-rd square number.
30103291009 is the 86752-nd centered octagonal number.
It is an amenable number.
30103291009 is a deficient number, since it is larger than the sum of its proper divisors (2987548290).
30103291009 is an frugal number, since it uses more digits than its factorization.
30103291009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31568 (or 15784 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 28.
The spelling of 30103291009 in words is "thirty billion, one hundred three million, two hundred ninety-one thousand, nine".
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