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30213232013 = 89422980273
BaseRepresentation
bin11100001000110110…
…010101010110001101
32212222121112012201002
4130020312111112031
5443334041411023
621514010230045
72116466143346
oct341066252615
985877465632
1030213232013
11118a4644438
125a32425325
132b066030a3
1416688b30cd
15bbc6e8b28
hex708d9558d

30213232013 has 8 divisors (see below), whose sum is σ = 30560311800. Its totient is φ = 29866321408.

The previous prime is 30213231973. The next prime is 30213232057. The reversal of 30213232013 is 31023231203.

It can be written as a sum of positive squares in 4 ways, for example, as 6362136169 + 23851095844 = 79763^2 + 154438^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30213232013 - 26 = 30213231949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213232913) 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, 336245 + ... + 416517.

It is an arithmetic number, because the mean of its divisors is an integer number (3820038975).

Almost surely, 230213232013 is an apocalyptic number.

It is an amenable number.

30213232013 is a deficient number, since it is larger than the sum of its proper divisors (347079787).

30213232013 is an equidigital number, since it uses as much as digits as its factorization.

30213232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84591.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30213232013 its reverse (31023231203), we get a palindrome (61236463216).

The spelling of 30213232013 in words is "thirty billion, two hundred thirteen million, two hundred thirty-two thousand, thirteen".

Divisors: 1 89 4229 80273 376381 7144297 339474517 30213232013