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30383341205 = 5717232220193
BaseRepresentation
bin11100010010111111…
…001111111010010101
32220102110121122122112
4130102333033322111
5444211113404310
621542524240405
72123633065460
oct342277177225
986373548575
1030383341205
1111981670a48
125a7b3a0105
132b32923009
1416833142d7
15bcc5eb705
hex712fcfe95

30383341205 has 32 divisors (see below), whose sum is σ = 46037942784. Its totient is φ = 18756182016.

The previous prime is 30383341201. The next prime is 30383341207. The reversal of 30383341205 is 50214338303.

It is a cyclic number.

It is not a de Polignac number, because 30383341205 - 22 = 30383341201 is a prime.

It is a super-3 number, since 3×303833412053 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30383341201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1096412 + ... + 1123781.

It is an arithmetic number, because the mean of its divisors is an integer number (1438685712).

Almost surely, 230383341205 is an apocalyptic number.

30383341205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30383341205 is a deficient number, since it is larger than the sum of its proper divisors (15654601579).

30383341205 is a wasteful number, since it uses less digits than its factorization.

30383341205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220245.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 30383341205 its reverse (50214338303), we get a palindrome (80597679508).

The spelling of 30383341205 in words is "thirty billion, three hundred eighty-three million, three hundred forty-one thousand, two hundred five".

Divisors: 1 5 7 17 23 35 85 115 119 161 391 595 805 1955 2737 13685 2220193 11100965 15541351 37743281 51064439 77706755 188716405 255322195 264202967 357451073 868095463 1321014835 1787255365 4340477315 6076668241 30383341205