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30212123323 = 173577302663
BaseRepresentation
bin11100001000110010…
…000110101010111011
32212222112102212212111
4130020302012222323
5443333300421243
621513530353151
72116453545124
oct341062065273
985875385774
1030212123323
11118a3a57468
125a31b8b7b7
132b06305565
1416686a504b
15bbc57a39d
hex708c86abb

30212123323 has 8 divisors (see below), whose sum is σ = 30439523808. Its totient is φ = 29985329664.

The previous prime is 30212123311. The next prime is 30212123369. The reversal of 30212123323 is 32332121203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30212123323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30212123294 and 30212123303.

It is not an unprimeable number, because it can be changed into a prime (30212123423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51511 + ... + 251152.

It is an arithmetic number, because the mean of its divisors is an integer number (3804940476).

Almost surely, 230212123323 is an apocalyptic number.

30212123323 is a deficient number, since it is larger than the sum of its proper divisors (227400485).

30212123323 is a wasteful number, since it uses less digits than its factorization.

30212123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303413.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30212123323 its reverse (32332121203), we get a palindrome (62544244526).

The spelling of 30212123323 in words is "thirty billion, two hundred twelve million, one hundred twenty-three thousand, three hundred twenty-three".

Divisors: 1 173 577 99821 302663 52360699 174636551 30212123323