Base | Representation |
---|---|
bin | 11011111110000011… |
… | …000100011011010000 |
3 | 2212111222112202012111 |
4 | 123332003010123100 |
5 | 443001144134300 |
6 | 21444014235104 |
7 | 2112135653056 |
oct | 337603043320 |
9 | 85458482174 |
10 | 30032021200 |
11 | 11811325035 |
12 | 59a17b5a94 |
13 | 2aa7bc705c |
14 | 164c7c21d6 |
15 | bab8519ba |
hex | 6fe0c46d0 |
30032021200 has 60 divisors (see below), whose sum is σ = 72171684288. Its totient is φ = 12009520000.
The previous prime is 30032021197. The next prime is 30032021203. The reversal of 30032021200 is 212023003.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30032021197) and next prime (30032021203).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30032021203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1892499 + ... + 1908301.
Almost surely, 230032021200 is an apocalyptic number.
It is an amenable number.
30032021200 is an abundant number, since it is smaller than the sum of its proper divisors (42139663088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30032021200 is a wasteful number, since it uses less digits than its factorization.
30032021200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20572 (or 20561 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 30032021200 its reverse (212023003), we get a palindrome (30244044203).
The spelling of 30032021200 in words is "thirty billion, thirty-two million, twenty-one thousand, two hundred".
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