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30332023103 = 71427211593
BaseRepresentation
bin11100001111111011…
…011111000100111111
32220021220001102110002
4130033323133010333
5444104444214403
621533452304515
72122440641144
oct341773370477
986256042402
1030332023103
11119556aa998
125a6617213b
132b250c5985
14167a5963cb
15bc7d61188
hex70fedf13f

30332023103 has 4 divisors (see below), whose sum is σ = 30759234768. Its totient is φ = 29904811440.

The previous prime is 30332023039. The next prime is 30332023123. The reversal of 30332023103 is 30132023303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30132023303 = 171772471959.

It is a cyclic number.

It is not a de Polignac number, because 30332023103 - 26 = 30332023039 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 (30332023123) 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, 213605726 + ... + 213605867.

It is an arithmetic number, because the mean of its divisors is an integer number (7689808692).

Almost surely, 230332023103 is an apocalyptic number.

30332023103 is a deficient number, since it is larger than the sum of its proper divisors (427211665).

30332023103 is an equidigital number, since it uses as much as digits as its factorization.

30332023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427211664.

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

Adding to 30332023103 its reverse (30132023303), we get a palindrome (60464046406).

The spelling of 30332023103 in words is "thirty billion, three hundred thirty-two million, twenty-three thousand, one hundred three".

Divisors: 1 71 427211593 30332023103