Base | Representation |
---|---|
bin | 11100010100000101… |
… | …100000010001110001 |
3 | 2220110202021100011221 |
4 | 130110011200101301 |
5 | 444230322231241 |
6 | 21544423105041 |
7 | 2124245452624 |
oct | 342405402161 |
9 | 86422240157 |
10 | 30401758321 |
11 | 11991000000 |
12 | 5a855a2181 |
13 | 2b366a0b0c |
14 | 1685949dbb |
15 | bce0385d1 |
hex | 714160471 |
30401758321 has 21 divisors (see below), whose sum is σ = 33699163081. Its totient is φ = 27426985300.
The previous prime is 30401758313. The next prime is 30401758327. The reversal of 30401758321 is 12385710403.
The square root of 30401758321 is 174361.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 30401758321 - 23 = 30401758313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30401758327) 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 20 ways as a sum of consecutive naturals, for example, 232074426 + ... + 232074556.
Almost surely, 230401758321 is an apocalyptic number.
30401758321 is the 174361-st square number.
30401758321 is the 87181-st centered octagonal number.
It is an amenable number.
30401758321 is a deficient number, since it is larger than the sum of its proper divisors (3297404760).
30401758321 is an frugal number, since it uses more digits than its factorization.
30401758321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328 (or 142 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 34.
The spelling of 30401758321 in words is "thirty billion, four hundred one million, seven hundred fifty-eight thousand, three hundred twenty-one".
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