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30121202112113 = 72912791010311483
BaseRepresentation
bin1101101100101001000111…
…00011010101011001110001
310221122120002100211222210102
412312110203203111121301
512422001210220041423
6144021253401042145
76226120316344520
oct666244343253161
9127576070758712
1030121202112113
11966336a374862
123465835786355
1313a65566aa258
14761c342124b7
153737c5585c28
hex1b65238d5671

30121202112113 has 32 divisors (see below), whose sum is σ = 35645748019200. Its totient is φ = 24903766875456.

The previous prime is 30121202112073. The next prime is 30121202112139. The reversal of 30121202112113 is 31121120212103.

It is not a de Polignac number, because 30121202112113 - 26 = 30121202112049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30121202111113) 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 31 ways as a sum of consecutive naturals, for example, 2623106870 + ... + 2623118352.

It is an arithmetic number, because the mean of its divisors is an integer number (1113929625600).

Almost surely, 230121202112113 is an apocalyptic number.

It is an amenable number.

30121202112113 is a deficient number, since it is larger than the sum of its proper divisors (5524545907087).

30121202112113 is a wasteful number, since it uses less digits than its factorization.

30121202112113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22901.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 30121202112113 its reverse (31121120212103), we get a palindrome (61242322324216).

The spelling of 30121202112113 in words is "thirty trillion, one hundred twenty-one billion, two hundred two million, one hundred twelve thousand, one hundred thirteen".

Divisors: 1 7 29 203 1279 8953 10103 11483 37091 70721 80381 259637 292987 333007 2050909 2331049 12921737 14686757 90452159 102807299 116012749 374730373 425915953 812089243 2623112611 2981411671 3364369721 23550588047 148380305971 1038662141797 4303028873159 30121202112113