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30231302210123 = 722689229440443
BaseRepresentation
bin1101101111110110001100…
…00001111000001001001011
310222001002021102121110211012
412313323012001320021023
512430302201331210443
6144144022444154135
76240065564626100
oct667730601701113
9128032242543735
1030231302210123
1196a6028a72aa3
123483041b3894b
1313b3a51853441
147672ba810aa7
153765bb352118
hex1b7ec607824b

30231302210123 has 12 divisors (see below), whose sum is σ = 35180103278520. Its totient is φ = 25902908140032.

The previous prime is 30231302210119. The next prime is 30231302210143. The reversal of 30231302210123 is 32101220313203.

It is not a de Polignac number, because 30231302210123 - 22 = 30231302210119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30231302210143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114588461 + ... + 114851982.

It is an arithmetic number, because the mean of its divisors is an integer number (2931675273210).

Almost surely, 230231302210123 is an apocalyptic number.

30231302210123 is a deficient number, since it is larger than the sum of its proper divisors (4948801068397).

30231302210123 is a wasteful number, since it uses less digits than its factorization.

30231302210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229443146 (or 229443139 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30231302210123 its reverse (32101220313203), we get a palindrome (62332522523326).

The spelling of 30231302210123 in words is "thirty trillion, two hundred thirty-one billion, three hundred two million, two hundred ten thousand, one hundred twenty-three".

Divisors: 1 7 49 2689 18823 131761 229440443 1606083101 11242581707 616965351227 4318757458589 30231302210123