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30203003321011 = 103129294862581
BaseRepresentation
bin1101101111000001011110…
…10010001011101010110011
310221221101020020020221220001
412313200233102023222303
512424321222322233021
6144123022420530431
76235044402220153
oct667405722135263
9127841206227801
1030203003321011
119695026a90834
123479664850a17
1313b1191a36441
14765b9429a763
153759b1c4b091
hex1b782f48bab3

30203003321011 has 4 divisors (see below), whose sum is σ = 30232298184624. Its totient is φ = 30173708457400.

The previous prime is 30203003320999. The next prime is 30203003321021. The reversal of 30203003321011 is 11012330030203.

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 30203003321011 - 219 = 30203002796723 is a prime.

It is a super-2 number, since 2×302030033210112 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30203003321011.

It is not an unprimeable number, because it can be changed into a prime (30203003321021) 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, 14647430260 + ... + 14647432321.

It is an arithmetic number, because the mean of its divisors is an integer number (7558074546156).

Almost surely, 230203003321011 is an apocalyptic number.

30203003321011 is a deficient number, since it is larger than the sum of its proper divisors (29294863613).

30203003321011 is a wasteful number, since it uses less digits than its factorization.

30203003321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29294863612.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30203003321011 its reverse (11012330030203), we get a palindrome (41215333351214).

The spelling of 30203003321011 in words is "thirty trillion, two hundred three billion, three million, three hundred twenty-one thousand, eleven".

Divisors: 1 1031 29294862581 30203003321011