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30000000312321 = 31319390710362383
BaseRepresentation
bin1101101001000111010110…
…10111001010010000000001
310221012222020121021121220120
412310203223113022100001
512413010000034443241
6143445450533530453
76214266655136604
oct664435327122001
9127188217247816
1030000000312321
119616a24094776
12344624b4a3a29
131397cac51b460
1475a01742c33b
1537057ed3b666
hex1b48eb5ca401

30000000312321 has 32 divisors (see below), whose sum is σ = 45355740272640. Its totient is φ = 17485400487744.

The previous prime is 30000000312313. The next prime is 30000000312383. The reversal of 30000000312321 is 12321300000003.

It is not a de Polignac number, because 30000000312321 - 23 = 30000000312313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30000000312321.

It is not an unprimeable number, because it can be changed into a prime (30000000312221) 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, 2286105 + ... + 8076278.

It is an arithmetic number, because the mean of its divisors is an integer number (1417366883520).

Almost surely, 230000000312321 is an apocalyptic number.

It is an amenable number.

30000000312321 is a deficient number, since it is larger than the sum of its proper divisors (15355739960319).

30000000312321 is a wasteful number, since it uses less digits than its factorization.

30000000312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10366325.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30000000312321 its reverse (12321300000003), we get a palindrome (42321300312324).

It can be divided in two parts, 300000003 and 12321, that multiplied together give a palindrome (3696300036963).

The spelling of 30000000312321 in words is "thirty trillion, three hundred twelve thousand, three hundred twenty-one".

Divisors: 1 3 13 19 39 57 247 741 3907 11721 50791 74233 152373 222699 965029 2895087 10362383 31087149 134710979 196885277 404132937 590655831 2559508601 7678525803 40485830381 121457491143 526315794953 769230777239 1578947384859 2307692331717 10000000104107 30000000312321