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30444240252 = 22329281311329
BaseRepresentation
bin11100010110100111…
…100011110101111100
32220120201012122102210
4130112213203311330
5444322211142002
621552541420420
72125302525636
oct342647436574
986521178383
1030444240252
1111a02a86338
125a9786a710
132b4242625a
14168b447a56
15bd2b2a96c
hex7169e3d7c

30444240252 has 48 divisors (see below), whose sum is σ = 73747850400. Its totient is φ = 9763246080.

The previous prime is 30444240247. The next prime is 30444240263. The reversal of 30444240252 is 25204244403.

It is a congruent number.

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, 57877 + ... + 253452.

It is an arithmetic number, because the mean of its divisors is an integer number (1536413550).

Almost surely, 230444240252 is an apocalyptic number.

It is an amenable number.

30444240252 is an abundant number, since it is smaller than the sum of its proper divisors (43303610148).

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

30444240252 is a wasteful number, since it uses less digits than its factorization.

30444240252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311646 (or 311644 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 30444240252 its reverse (25204244403), we get a palindrome (55648484655).

The spelling of 30444240252 in words is "thirty billion, four hundred forty-four million, two hundred forty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 281 348 562 843 1124 1686 3372 8149 16298 24447 32596 48894 97788 311329 622658 933987 1245316 1867974 3735948 9028541 18057082 27085623 36114164 54171246 87483449 108342492 174966898 262450347 349933796 524900694 1049801388 2537020021 5074040042 7611060063 10148080084 15222120126 30444240252