Base | Representation |
---|---|
bin | 11100001000001111… |
… | …010011110010011011 |
3 | 2212221220021110210010 |
4 | 130020033103302123 |
5 | 443323432031021 |
6 | 21513003053003 |
7 | 2116313165310 |
oct | 341017236233 |
9 | 85856243703 |
10 | 30203002011 |
11 | 11899897496 |
12 | 5a2ab11163 |
13 | 2b04460930 |
14 | 16673acd07 |
15 | bbb877976 |
hex | 7083d3c9b |
30203002011 has 32 divisors (see below), whose sum is σ = 49676999680. Its totient is φ = 15894900864.
The previous prime is 30203001971. The next prime is 30203002021. The reversal of 30203002011 is 11020030203.
It is a happy number.
It is not a de Polignac number, because 30203002011 - 26 = 30203001947 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30203002021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6160 + ... + 245853.
It is an arithmetic number, because the mean of its divisors is an integer number (1552406240).
Almost surely, 230203002011 is an apocalyptic number.
30203002011 is a deficient number, since it is larger than the sum of its proper divisors (19473997669).
30203002011 is a wasteful number, since it uses less digits than its factorization.
30203002011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252475.
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 30203002011 its reverse (11020030203), we get a palindrome (41223032214).
The spelling of 30203002011 in words is "thirty billion, two hundred three million, two thousand, eleven".
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