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30323233121 = 60749955903
BaseRepresentation
bin11100001111011001…
…111101000101100001
32220021021111211212012
4130033121331011201
5444100221424441
621532540042305
72122303141316
oct341731750541
986237454765
1030323233121
1111950746945
125a63233395
132b23338abc
141679348d0d
15bc71c69eb
hex70f67d161

30323233121 has 4 divisors (see below), whose sum is σ = 30373189632. Its totient is φ = 30273276612.

The previous prime is 30323233111. The next prime is 30323233151. The reversal of 30323233121 is 12133232303.

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 a de Polignac number, because none of the positive numbers 2k-30323233121 is a prime.

It is a super-2 number, since 2×303232331212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30323233111) 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 3 ways as a sum of consecutive naturals, for example, 24977345 + ... + 24978558.

It is an arithmetic number, because the mean of its divisors is an integer number (7593297408).

Almost surely, 230323233121 is an apocalyptic number.

It is an amenable number.

30323233121 is a deficient number, since it is larger than the sum of its proper divisors (49956511).

30323233121 is an equidigital number, since it uses as much as digits as its factorization.

30323233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49956510.

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

Adding to 30323233121 its reverse (12133232303), we get a palindrome (42456465424).

The spelling of 30323233121 in words is "thirty billion, three hundred twenty-three million, two hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 607 49955903 30323233121