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11331203030020 = 225678183551121
BaseRepresentation
bin1010010011100100000001…
…0101001101110000000100
31111010020211000120212101001
42210321000111031300010
52441122300433430040
640033252141543044
72246436526402666
oct244710025156004
944106730525331
1011331203030020
113679599785525
121330090b74a84
136426b2930423
142b260c800536
15149b3d3ca59a
hexa4e4054dc04

11331203030020 has 24 divisors (see below), whose sum is σ = 23799035794968. Its totient is φ = 4531812748800.

The previous prime is 11331203029963. The next prime is 11331203030029. The reversal of 11331203030020 is 2003030213311.

It can be written as a sum of positive squares in 4 ways, for example, as 33524145216 + 11297678884804 = 183096^2 + 3361202^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11331203030020.

It is not an unprimeable number, because it can be changed into a prime (11331203030029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41639941 + ... + 41911180.

It is an arithmetic number, because the mean of its divisors is an integer number (991626491457).

Almost surely, 211331203030020 is an apocalyptic number.

11331203030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331203030020 is an abundant number, since it is smaller than the sum of its proper divisors (12467832764948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11331203030020 is a wasteful number, since it uses less digits than its factorization.

11331203030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83557911 (or 83557909 counting only the distinct ones).

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

Adding to 11331203030020 its reverse (2003030213311), we get a palindrome (13334233243331).

The spelling of 11331203030020 in words is "eleven trillion, three hundred thirty-one billion, two hundred three million, thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 6781 13562 27124 33905 67810 135620 83551121 167102242 334204484 417755605 835511210 1671022420 566560151501 1133120303002 2266240606004 2832800757505 5665601515010 11331203030020