Base | Representation |
---|---|
bin | 11100001110000001… |
… | …011001000001111001 |
3 | 2220012122211100000000 |
4 | 130032001121001321 |
5 | 444023301014021 |
6 | 21530350303213 |
7 | 2121601615200 |
oct | 341601310171 |
9 | 86178740000 |
10 | 30300016761 |
11 | 1193962a073 |
12 | 5a574b7b09 |
13 | 2b1b59a701 |
14 | 1676224237 |
15 | bc513cb26 |
hex | 70e059079 |
30300016761 has 81 divisors (see below), whose sum is σ = 53040519909. Its totient is φ = 17257896936.
The previous prime is 30300016711. The next prime is 30300016781. The reversal of 30300016761 is 16761000303.
The square root of 30300016761 is 174069.
It is a perfect power (a square), and thus also a powerful number.
It is a tau number, because it is divible by the number of its divisors (81).
It is not a de Polignac number, because 30300016761 - 211 = 30300014713 is a prime.
It is a super-2 number, since 2×303000167612 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (30300016711) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 98696970 + ... + 98697276.
Almost surely, 230300016761 is an apocalyptic number.
30300016761 is the 174069-th square number.
30300016761 is the 87035-th centered octagonal number.
It is an amenable number.
30300016761 is a deficient number, since it is larger than the sum of its proper divisors (22740503148).
30300016761 is an frugal number, since it uses more digits than its factorization.
30300016761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 652 (or 317 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The spelling of 30300016761 in words is "thirty billion, three hundred million, sixteen thousand, seven hundred sixty-one".
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