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30120024433 = 191157696463
BaseRepresentation
bin11100000011010010…
…110001100101110001
32212202010010202221111
4130003102301211301
5443141211240213
621500440353321
72114254661212
oct340322614561
985663122844
1030120024433
1111856a72184
125a07175841
132ac01ca185
14165a36d409
15bb4436a3d
hex7034b1971

30120024433 has 4 divisors (see below), whose sum is σ = 30277721088. Its totient is φ = 29962327780.

The previous prime is 30120024427. The next prime is 30120024437. The reversal of 30120024433 is 33442002103.

It is a happy number.

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 30120024433 - 229 = 29583153521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120024437) 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, 78848041 + ... + 78848422.

It is an arithmetic number, because the mean of its divisors is an integer number (7569430272).

Almost surely, 230120024433 is an apocalyptic number.

It is an amenable number.

30120024433 is a deficient number, since it is larger than the sum of its proper divisors (157696655).

30120024433 is a wasteful number, since it uses less digits than its factorization.

30120024433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157696654.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30120024433 its reverse (33442002103), we get a palindrome (63562026536).

The spelling of 30120024433 in words is "thirty billion, one hundred twenty million, twenty-four thousand, four hundred thirty-three".

Divisors: 1 191 157696463 30120024433