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30440353242 = 2313479814741
BaseRepresentation
bin11100010110011000…
…101110110111011010
32220120102220011110110
4130112120232313122
5444320212300432
621552322225150
72125224506355
oct342630566732
986512804413
1030440353242
1111a00870a32
125a964b51b6
132b41694c50
14168ab1529c
15bd260ddcc
hex71662edda

30440353242 has 32 divisors (see below), whose sum is σ = 65700794880. Its totient is φ = 9346697280.

The previous prime is 30440353109. The next prime is 30440353253. The reversal of 30440353242 is 24235304403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370009 + ... + 444732.

It is an arithmetic number, because the mean of its divisors is an integer number (2053149840).

Almost surely, 230440353242 is an apocalyptic number.

30440353242 is an abundant number, since it is smaller than the sum of its proper divisors (35260441638).

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

30440353242 is a wasteful number, since it uses less digits than its factorization.

30440353242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815238.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 30440353242 its reverse (24235304403), we get a palindrome (54675657645).

The spelling of 30440353242 in words is "thirty billion, four hundred forty million, three hundred fifty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 479 958 1437 2874 6227 12454 18681 37362 814741 1629482 2444223 4888446 10591633 21183266 31774899 63549798 390260939 780521878 1170782817 2341565634 5073392207 10146784414 15220176621 30440353242