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30213242321 = 471939913361
BaseRepresentation
bin11100001000110110…
…010111110111010001
32212222121112201211212
4130020312113313101
5443334042223241
621514010345505
72116466215403
oct341066276721
985877481755
1030213242321
11118a4651159
125a3242b295
132b066079a2
1416688b6b73
15bbc6ebbeb
hex708d97dd1

30213242321 has 16 divisors (see below), whose sum is σ = 31056488448. Its totient is φ = 29378764800.

The previous prime is 30213242317. The next prime is 30213242341. The reversal of 30213242321 is 12324231203.

It is a cyclic number.

It is not a de Polignac number, because 30213242321 - 22 = 30213242317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30213242341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8987681 + ... + 8991041.

It is an arithmetic number, because the mean of its divisors is an integer number (1941030528).

Almost surely, 230213242321 is an apocalyptic number.

It is an amenable number.

30213242321 is a deficient number, since it is larger than the sum of its proper divisors (843246127).

30213242321 is a wasteful number, since it uses less digits than its factorization.

30213242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30213242321 its reverse (12324231203), we get a palindrome (42537473524).

The spelling of 30213242321 in words is "thirty billion, two hundred thirteen million, two hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 47 193 991 3361 9071 46577 157967 191263 648673 3330751 8989361 30487631 156545297 642834943 30213242321