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30033123031321 = 191580690685859
BaseRepresentation
bin1101101010000101000011…
…01000010011100100011001
310221100010201222112002102221
412311002201220103210121
512414030313444000241
6143513005400424041
76216551533455514
oct665024150234431
9127303658462387
1030033123031321
119629a80a97803
123450754178021
13139b15a834477
1475b87a4a5d7b
1537136cb9a5d1
hex1b50a1a13919

30033123031321 has 4 divisors (see below), whose sum is σ = 31613813717200. Its totient is φ = 28452432345444.

The previous prime is 30033123031313. The next prime is 30033123031363. The reversal of 30033123031321 is 12313032133003.

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 30033123031321 - 23 = 30033123031313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30033123031381) 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, 790345342911 + ... + 790345342948.

It is an arithmetic number, because the mean of its divisors is an integer number (7903453429300).

Almost surely, 230033123031321 is an apocalyptic number.

It is an amenable number.

30033123031321 is a deficient number, since it is larger than the sum of its proper divisors (1580690685879).

30033123031321 is a wasteful number, since it uses less digits than its factorization.

30033123031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580690685878.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 30033123031321 its reverse (12313032133003), we get a palindrome (42346155164324).

The spelling of 30033123031321 in words is "thirty trillion, thirty-three billion, one hundred twenty-three million, thirty-one thousand, three hundred twenty-one".

Divisors: 1 19 1580690685859 30033123031321