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30033142133 = 63794708127
BaseRepresentation
bin11011111110000111…
…010110000101110101
32212112001122200211112
4123332013112011311
5443001441022013
621444054244405
72112151332101
oct337607260565
985461580745
1030033142133
1111811a20225
1259a2056705
132aa81ca327
14164c9d4901
15bab9c3ba8
hex6fe1d6175

30033142133 has 4 divisors (see below), whose sum is σ = 30037856640. Its totient is φ = 30028427628.

The previous prime is 30033142121. The next prime is 30033142141. The reversal of 30033142133 is 33124133003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30033142133 - 210 = 30033141109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30033142099 and 30033142108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033144133) 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, 2347685 + ... + 2360442.

It is an arithmetic number, because the mean of its divisors is an integer number (7509464160).

Almost surely, 230033142133 is an apocalyptic number.

It is an amenable number.

30033142133 is a deficient number, since it is larger than the sum of its proper divisors (4714507).

30033142133 is an equidigital number, since it uses as much as digits as its factorization.

30033142133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714506.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30033142133 its reverse (33124133003), we get a palindrome (63157275136).

The spelling of 30033142133 in words is "thirty billion, thirty-three million, one hundred forty-two thousand, one hundred thirty-three".

Divisors: 1 6379 4708127 30033142133