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30134443430 = 2571343770111
BaseRepresentation
bin11100000100001001…
…110001110110100110
32212210010021100002102
4130010021301312212
5443203404142210
621502113412102
72114521354130
oct340411616646
985703240072
1030134443430
1111864120403
125a0bb6a032
132ac31a8220
14165c244050
15bb5833ea5
hex704271da6

30134443430 has 64 divisors (see below), whose sum is σ = 68312014848. Its totient is φ = 9315250560.

The previous prime is 30134443421. The next prime is 30134443459. The reversal of 30134443430 is 3434443103.

It is a junction number, because it is equal to n+sod(n) for n = 30134443393 and 30134443402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345926 + ... + 424185.

It is an arithmetic number, because the mean of its divisors is an integer number (1067375232).

Almost surely, 230134443430 is an apocalyptic number.

30134443430 is an abundant number, since it is smaller than the sum of its proper divisors (38177571418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30134443430 is a wasteful number, since it uses less digits than its factorization.

30134443430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770181.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 30134443430 its reverse (3434443103), we get a palindrome (33568886533).

The spelling of 30134443430 in words is "thirty billion, one hundred thirty-four million, four hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 43 65 70 86 91 130 182 215 301 430 455 559 602 910 1118 1505 2795 3010 3913 5590 7826 19565 39130 770111 1540222 3850555 5390777 7701110 10011443 10781554 20022886 26953885 33114773 50057215 53907770 66229546 70080101 100114430 140160202 165573865 231803411 331147730 350400505 430492049 463606822 700801010 860984098 1159017055 2152460245 2318034110 3013444343 4304920490 6026888686 15067221715 30134443430