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30115404534121 = 2331672512511601
BaseRepresentation
bin1101101100011110010011…
…11111010101000101101001
310221122000010022200111220121
412312033021333111011221
512421402322030042441
6144014454214523241
76225523540632004
oct666171177250551
9127560108614817
1030115404534121
119660964830695
123464698066521
1313a5b4153602a
1476184425653b
153735865d4dd1
hex1b63c9fd5169

30115404534121 has 32 divisors (see below), whose sum is σ = 33053807517696. Its totient is φ = 27351324000000.

The previous prime is 30115404534079. The next prime is 30115404534133. The reversal of 30115404534121 is 12143540451103.

It is not a de Polignac number, because 30115404534121 - 29 = 30115404533609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30115408534121) 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, 10734721 + ... + 13246321.

It is an arithmetic number, because the mean of its divisors is an integer number (1032931484928).

Almost surely, 230115404534121 is an apocalyptic number.

30115404534121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30115404534121 is a deficient number, since it is larger than the sum of its proper divisors (2938402983575).

30115404534121 is a wasteful number, since it uses less digits than its factorization.

30115404534121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511973.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 30115404534121 its reverse (12143540451103), we get a palindrome (42258944985224).

The spelling of 30115404534121 in words is "thirty trillion, one hundred fifteen billion, four hundred four million, five hundred thirty-four thousand, one hundred twenty-one".

Divisors: 1 23 31 67 251 713 1541 2077 5773 7781 16817 47771 178963 386791 521327 2511601 11990521 57766823 77859631 168277267 630411851 1790771513 3870377141 5216595277 14499472573 19542767381 42237594017 119981691371 449483649763 971464662391 1309365414527 30115404534121