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30213320033 = 137369315389
BaseRepresentation
bin11100001000110110…
…101010110101100001
32212222121200200110002
4130020312222311201
5443334102220113
621514012145345
72116466661101
oct341066526541
985877620402
1030213320033
11118a46a4586
125a32468255
132b06634180
1416688d7201
15bbc714c58
hex708daad61

30213320033 has 8 divisors (see below), whose sum is σ = 32541940200. Its totient is φ = 27885345408.

The previous prime is 30213320017. The next prime is 30213320047. The reversal of 30213320033 is 33002331203.

It can be written as a sum of positive squares in 4 ways, for example, as 1509167104 + 28704152929 = 38848^2 + 169423^2 .

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 30213320033 - 24 = 30213320017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30213319987 and 30213320014.

It is not an unprimeable number, because it can be changed into a prime (30213340033) 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, 61898 + ... + 253491.

It is an arithmetic number, because the mean of its divisors is an integer number (4067742525).

Almost surely, 230213320033 is an apocalyptic number.

It is an amenable number.

30213320033 is a deficient number, since it is larger than the sum of its proper divisors (2328620167).

30213320033 is a wasteful number, since it uses less digits than its factorization.

30213320033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322771.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30213320033 its reverse (33002331203), we get a palindrome (63215651236).

The spelling of 30213320033 in words is "thirty billion, two hundred thirteen million, three hundred twenty thousand, thirty-three".

Divisors: 1 13 7369 95797 315389 4100057 2324101541 30213320033