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30032103230021 = 97130929045551
BaseRepresentation
bin1101101010000011001001…
…10110000100101001000101
310221100001002220120211001102
412311001210312010221011
512414021221411330041
6143512320250505445
76216514341344054
oct665014466045105
9127301086524042
1030032103230021
1196295a8379a12
12345050a735285
13139b027483449
1475b7c0c8239b
1537130d3a709b
hex1b5064d84a45

30032103230021 has 4 divisors (see below), whose sum is σ = 30063032276544. Its totient is φ = 30001174183500.

The previous prime is 30032103229993. The next prime is 30032103230023. The reversal of 30032103230021 is 12003230123003.

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 30032103230021 - 230 = 30031029488197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30032103229975 and 30032103230002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30032103230023) 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, 15464521805 + ... + 15464523746.

It is an arithmetic number, because the mean of its divisors is an integer number (7515758069136).

Almost surely, 230032103230021 is an apocalyptic number.

It is an amenable number.

30032103230021 is a deficient number, since it is larger than the sum of its proper divisors (30929046523).

30032103230021 is an equidigital number, since it uses as much as digits as its factorization.

30032103230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30929046522.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30032103230021 its reverse (12003230123003), we get a palindrome (42035333353024).

The spelling of 30032103230021 in words is "thirty trillion, thirty-two billion, one hundred three million, two hundred thirty thousand, twenty-one".

Divisors: 1 971 30929045551 30032103230021