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30220242102 = 2331921550233
BaseRepresentation
bin11100001001010001…
…000100110010110110
32220000002201100202000
4130021101010302312
5443342340221402
621514420400130
72116612551051
oct341121046266
986002640660
1030220242102
11118a85a21a6
125a34846046
132b07bb8a7b
1416697b9a98
15bbd130c1c
hex709444cb6

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".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 361 513 722 1026 1083 2166 3249 6498 9747 19494 1550233 3100466 4650699 9301398 13952097 27904194 29454427 41856291 58908854 83712582 88363281 176726562 265089843 530179686 559634113 795269529 1119268226 1590539058 1678902339 3357804678 5036707017 10073414034 15110121051 30220242102