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30243130242 = 23131063364753
BaseRepresentation
bin11100001010101000…
…011000101110000010
32220001200210012100220
4130022220120232002
5443414220131432
621520555123510
72120311236243
oct341250305602
986050705326
1030243130242
111190a505416
125a40443596
132b0c870950
14166c856cca
15bc015272c
hex70aa18b82

30243130242 has 32 divisors (see below), whose sum is σ = 65200507008. Its totient is φ = 9296798976.

The previous prime is 30243130241. The next prime is 30243130277. The reversal of 30243130242 is 24203134203.

It is not an unprimeable number, because it can be changed into a prime (30243130241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99463 + ... + 265290.

It is an arithmetic number, because the mean of its divisors is an integer number (2037515844).

Almost surely, 230243130242 is an apocalyptic number.

30243130242 is an abundant number, since it is smaller than the sum of its proper divisors (34957376766).

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

30243130242 is a wasteful number, since it uses less digits than its factorization.

30243130242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365834.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30243130242 its reverse (24203134203), we get a palindrome (54446264445).

The spelling of 30243130242 in words is "thirty billion, two hundred forty-three million, one hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 1063 2126 3189 6378 13819 27638 41457 82914 364753 729506 1094259 2188518 4741789 9483578 14225367 28450734 387732439 775464878 1163197317 2326394634 5040521707 10081043414 15121565121 30243130242