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30213545206 = 2132325327479
BaseRepresentation
bin11100001000110111…
…100001110011110110
32212222122010010022211
4130020313201303312
5443334131421311
621514021044034
72116501616425
oct341067416366
985878103284
1030213545206
11118a4838779
125a3255661a
132b066b2800
1416689552bc
15bbc75b821
hex708de1cf6

30213545206 has 24 divisors (see below), whose sum is σ = 49091536080. Its totient is φ = 13939919136.

The previous prime is 30213545183. The next prime is 30213545207. The reversal of 30213545206 is 60254531203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213545207) 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 11 ways as a sum of consecutive naturals, for example, 1085775 + ... + 1113253.

It is an arithmetic number, because the mean of its divisors is an integer number (2045480670).

Almost surely, 230213545206 is an apocalyptic number.

30213545206 is a deficient number, since it is larger than the sum of its proper divisors (18877990874).

30213545206 is a wasteful number, since it uses less digits than its factorization.

30213545206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30760 (or 30747 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 30213545206 in words is "thirty billion, two hundred thirteen million, five hundred forty-five thousand, two hundred six".

Divisors: 1 2 13 26 169 338 3253 6506 27479 42289 54958 84578 357227 549757 714454 1099514 4643951 9287902 89389187 178778374 1162059431 2324118862 15106772603 30213545206