Base | Representation |
---|---|
bin | 11100001001010001… |
… | …000100110010110110 |
3 | 2220000002201100202000 |
4 | 130021101010302312 |
5 | 443342340221402 |
6 | 21514420400130 |
7 | 2116612551051 |
oct | 341121046266 |
9 | 86002640660 |
10 | 30220242102 |
11 | 118a85a21a6 |
12 | 5a34846046 |
13 | 2b07bb8a7b |
14 | 16697b9a98 |
15 | bbd130c1c |
hex | 709444cb6 |
30220242102 has 48 divisors (see below), whose sum is σ = 70876698480. Its totient is φ = 9543228192.
The previous prime is 30220242079. The next prime is 30220242139. The reversal of 30220242102 is 20124202203.
30220242102 is a `hidden beast` number, since 302 + 20 + 242 + 102 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755623 + ... + 794610.
It is an arithmetic number, because the mean of its divisors is an integer number (1476597885).
Almost surely, 230220242102 is an apocalyptic number.
30220242102 is an abundant number, since it is smaller than the sum of its proper divisors (40656456378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30220242102 is a wasteful number, since it uses less digits than its factorization.
30220242102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1550282 (or 1550257 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 30220242102 its reverse (20124202203), we get a palindrome (50344444305).
The spelling of 30220242102 in words is "thirty billion, two hundred twenty million, two hundred forty-two thousand, one hundred two".
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