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30221412232 = 23111109309671
BaseRepresentation
bin11100001001010101…
…100010011110001000
32220000011220210212011
4130021111202132020
5443343140142412
621514501425304
72116625523364
oct341125423610
986004823764
1030221412232
11118a9221350
125a3510b234
132b0820855b
141669a022a4
15bbd2b27a7
hex709562788

30221412232 has 32 divisors (see below), whose sum is σ = 61872465600. Its totient is φ = 13724574400.

The previous prime is 30221412223. The next prime is 30221412239. The reversal of 30221412232 is 23221412203.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (30221412239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57244 + ... + 252427.

It is an arithmetic number, because the mean of its divisors is an integer number (1933514550).

Almost surely, 230221412232 is an apocalyptic number.

It is an amenable number.

30221412232 is an abundant number, since it is smaller than the sum of its proper divisors (31651053368).

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

30221412232 is a wasteful number, since it uses less digits than its factorization.

30221412232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310797 (or 310793 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30221412232 its reverse (23221412203), we get a palindrome (53442824435).

The spelling of 30221412232 in words is "thirty billion, two hundred twenty-one million, four hundred twelve thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 1109 2218 4436 8872 12199 24398 48796 97592 309671 619342 1238684 2477368 3406381 6812762 13625524 27251048 343425139 686850278 1373700556 2747401112 3777676529 7555353058 15110706116 30221412232