Base | Representation |
---|---|
bin | 11100001001010100… |
… | …000000110000100010 |
3 | 2220000011011110211211 |
4 | 130021110000300202 |
5 | 443343034341002 |
6 | 21514445100334 |
7 | 2116622235466 |
oct | 341124006042 |
9 | 86004143754 |
10 | 30221012002 |
11 | 118a8a78685 |
12 | 5a34b576aa |
13 | 2b080c832c |
14 | 166993a4a6 |
15 | bbd233dd7 |
hex | 709500c22 |
30221012002 has 8 divisors (see below), whose sum is σ = 45476348076. Its totient is φ = 15062229312.
The previous prime is 30221011967. The next prime is 30221012009. The reversal of 30221012002 is 20021012203.
It can be written as a sum of positive squares in 2 ways, for example, as 25510797841 + 4710214161 = 159721^2 + 68631^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30221012009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24137563 + ... + 24138814.
Almost surely, 230221012002 is an apocalyptic number.
30221012002 is a deficient number, since it is larger than the sum of its proper divisors (15255336074).
30221012002 is a wasteful number, since it uses less digits than its factorization.
30221012002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48276692.
The product of its (nonzero) digits is 48, while the sum is 13.
Adding to 30221012002 its reverse (20021012203), we get a palindrome (50242024205).
The spelling of 30221012002 in words is "thirty billion, two hundred twenty-one million, twelve thousand, two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •