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30030031022041 = 63043347633977
BaseRepresentation
bin1101101001111111010010…
…10101001110011111011001
310221022211202111100202002201
412310333221111032133121
512414003000420201131
6143511334504130201
76216412110021301
oct664775125163731
9127284674322081
1030030031022041
1196287346a3436
123450030766961
13139aa8707658b
1475b66598c601
1537123b4ce761
hex1b4fe954e7d9

30030031022041 has 4 divisors (see below), whose sum is σ = 30030079286452. Its totient is φ = 30029982757632.

The previous prime is 30030031022021. The next prime is 30030031022093. The reversal of 30030031022041 is 14022013003003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2773487213641 + 27256543808400 = 1665379^2 + 5220780^2 .

It is a cyclic number.

It is not a de Polignac number, because 30030031022041 - 25 = 30030031022009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30030031022021) 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, 23186556 + ... + 24447421.

It is an arithmetic number, because the mean of its divisors is an integer number (7507519821613).

Almost surely, 230030031022041 is an apocalyptic number.

It is an amenable number.

30030031022041 is a deficient number, since it is larger than the sum of its proper divisors (48264411).

30030031022041 is an equidigital number, since it uses as much as digits as its factorization.

30030031022041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48264410.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30030031022041 its reverse (14022013003003), we get a palindrome (44052044025044).

The spelling of 30030031022041 in words is "thirty trillion, thirty billion, thirty-one million, twenty-two thousand, forty-one".

Divisors: 1 630433 47633977 30030031022041