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30031321643230 = 255038759601329
BaseRepresentation
bin1101101010000001101100…
…10000100011100011011110
310221022222002102220002112111
412311000312100203203132
512414013121320040410
6143512110530424234
76216456101100265
oct665006620434336
9127288072802474
1030031321643230
119629237175216
123450330a3207a
13139ac3157965b
1475b74914b5dc
153712b496ab8a
hex1b50364238de

30031321643230 has 16 divisors (see below), whose sum is σ = 54057452688720. Its totient is φ = 12012290050432.

The previous prime is 30031321643227. The next prime is 30031321643237. The reversal of 30031321643230 is 3234612313003.

It is a junction number, because it is equal to n+sod(n) for n = 30031321643192 and 30031321643201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031321643237) 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, 29296795 + ... + 30304534.

It is an arithmetic number, because the mean of its divisors is an integer number (3378590793045).

Almost surely, 230031321643230 is an apocalyptic number.

30031321643230 is a deficient number, since it is larger than the sum of its proper divisors (24026131045490).

30031321643230 is a wasteful number, since it uses less digits than its factorization.

30031321643230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59651723.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 30031321643230 its reverse (3234612313003), we get a palindrome (33265933956233).

The spelling of 30031321643230 in words is "thirty trillion, thirty-one billion, three hundred twenty-one million, six hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 50387 100774 251935 503870 59601329 119202658 298006645 596013290 3003132164323 6006264328646 15015660821615 30031321643230