Base | Representation |
---|---|
bin | 11100010101010001… |
… | …010001101110101100 |
3 | 2220112010122111120202 |
4 | 130111101101232230 |
5 | 444300413343201 |
6 | 21550412533032 |
7 | 2124606342365 |
oct | 342521215654 |
9 | 86463574522 |
10 | 30421621676 |
11 | 119a12376a6 |
12 | 5a90181178 |
13 | 2b3a836c94 |
14 | 168843ab6c |
15 | bd0b5dc6b |
hex | 715451bac |
30421621676 has 24 divisors (see below), whose sum is σ = 53417387520. Its totient is φ = 15159599312.
The previous prime is 30421621663. The next prime is 30421621757. The reversal of 30421621676 is 67612612403.
It is a happy number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1446605 + ... + 1467483.
It is an arithmetic number, because the mean of its divisors is an integer number (2225724480).
Almost surely, 230421621676 is an apocalyptic number.
It is an amenable number.
30421621676 is a deficient number, since it is larger than the sum of its proper divisors (22995765844).
30421621676 is a wasteful number, since it uses less digits than its factorization.
30421621676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22093 (or 22091 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 38.
The spelling of 30421621676 in words is "thirty billion, four hundred twenty-one million, six hundred twenty-one thousand, six hundred seventy-six".
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