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2440213120242 = 232135567395569
BaseRepresentation
bin100011100000101000000…
…010010100010011110010
322122021121122111101110200
4203200220002110103302
5304440024024321432
65105003551540030
7341204520200502
oct43405002242362
98567548441420
102440213120242
11860985765657
12334b1a52a616
1314915a154101
148616d659a02
154371ee59a7c
hex238280944f2

2440213120242 has 12 divisors (see below), whose sum is σ = 5287128427230. Its totient is φ = 813404373408.

The previous prime is 2440213120231. The next prime is 2440213120259. The reversal of 2440213120242 is 2420213120442.

It is a happy number.

2440213120242 is a `hidden beast` number, since 2 + 4 + 402 + 1 + 3 + 12 + 0 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2358125713161 + 82087407081 = 1535619^2 + 286509^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67783697767 + ... + 67783697802.

Almost surely, 22440213120242 is an apocalyptic number.

2440213120242 is an abundant number, since it is smaller than the sum of its proper divisors (2846915306988).

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

2440213120242 is a wasteful number, since it uses less digits than its factorization.

2440213120242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135567395577 (or 135567395574 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2440213120242 its reverse (2420213120442), we get a palindrome (4860426240684).

The spelling of 2440213120242 in words is "two trillion, four hundred forty billion, two hundred thirteen million, one hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 135567395569 271134791138 406702186707 813404373414 1220106560121 2440213120242