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30003122021011 = 190115782810111
BaseRepresentation
bin1101101001001101001010…
…11011100010001010010011
310221020021022011022212011221
412310212211123202022103
512413032343214133021
6143451124410545511
76214440222211246
oct664464533421223
9127207264285157
1030003122021011
119618286223707
123446980a38297
1313983891a7569
1475a231c7725d
153706b3e22241
hex1b49a56e2293

30003122021011 has 4 divisors (see below), whose sum is σ = 30018904833024. Its totient is φ = 29987339209000.

The previous prime is 30003122020981. The next prime is 30003122021027. The reversal of 30003122021011 is 11012022130003.

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

It is a cyclic number.

It is not a de Polignac number, because 30003122021011 - 29 = 30003122020499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30003122021111) 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, 7891403155 + ... + 7891406956.

It is an arithmetic number, because the mean of its divisors is an integer number (7504726208256).

Almost surely, 230003122021011 is an apocalyptic number.

30003122021011 is a deficient number, since it is larger than the sum of its proper divisors (15782812013).

30003122021011 is a wasteful number, since it uses less digits than its factorization.

30003122021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15782812012.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30003122021011 its reverse (11012022130003), we get a palindrome (41015144151014).

The spelling of 30003122021011 in words is "thirty trillion, three billion, one hundred twenty-two million, twenty-one thousand, eleven".

Divisors: 1 1901 15782810111 30003122021011