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30213224012 = 2246093163871
BaseRepresentation
bin11100001000110110…
…010011011001001100
32212222121111210201202
4130020312103121030
5443334041132022
621514010125032
72116466111126
oct341066233114
985877453652
1030213224012
11118a4639424
125a32420778
132b065cc55a
1416688b0216
15bbc6e6592
hex708d9364c

30213224012 has 12 divisors (see below), whose sum is σ = 52874611776. Its totient is φ = 15106192080.

The previous prime is 30213224011. The next prime is 30213224021. The reversal of 30213224012 is 21042231203.

It is a super-2 number, since 2×302132240122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30213224011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102437 + ... + 266307.

It is an arithmetic number, because the mean of its divisors is an integer number (4406217648).

Almost surely, 230213224012 is an apocalyptic number.

It is an amenable number.

30213224012 is a deficient number, since it is larger than the sum of its proper divisors (22661387764).

30213224012 is a wasteful number, since it uses less digits than its factorization.

30213224012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209968 (or 209966 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30213224012 its reverse (21042231203), we get a palindrome (51255455215).

The spelling of 30213224012 in words is "thirty billion, two hundred thirteen million, two hundred twenty-four thousand, twelve".

Divisors: 1 2 4 46093 92186 163871 184372 327742 655484 7553306003 15106612006 30213224012