Base | Representation |
---|---|
bin | 1101101100111011100101… |
… | …10000111011110111101001 |
3 | 10221200111200122000022202100 |
4 | 12312131302300323313221 |
5 | 12422132013434342301 |
6 | 144030013525324013 |
7 | 6226621160532546 |
oct | 666356260736751 |
9 | 127614618008670 |
10 | 30131121012201 |
11 | 966759a327250 |
12 | 3467743566609 |
13 | 13a74776407c1 |
14 | 7624d56a3bcd |
15 | 373ba6274286 |
hex | 1b6772c3bde9 |
30131121012201 has 12 divisors (see below), whose sum is σ = 47479342201200. Its totient is φ = 18261285461880.
The previous prime is 30131121012193. The next prime is 30131121012229. The reversal of 30131121012201 is 10221012113103.
30131121012201 is a `hidden beast` number, since 30 + 1 + 311 + 2 + 101 + 220 + 1 = 666.
It is not a de Polignac number, because 30131121012201 - 23 = 30131121012193 is a prime.
It is a super-2 number, since 2×301311210122012 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30131121012281) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152177378751 + ... + 152177378948.
It is an arithmetic number, because the mean of its divisors is an integer number (3956611850100).
Almost surely, 230131121012201 is an apocalyptic number.
It is an amenable number.
30131121012201 is a deficient number, since it is larger than the sum of its proper divisors (17348221188999).
30131121012201 is a wasteful number, since it uses less digits than its factorization.
30131121012201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304354757716 (or 304354757713 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 30131121012201 its reverse (10221012113103), we get a palindrome (40352133125304).
The spelling of 30131121012201 in words is "thirty trillion, one hundred thirty-one billion, one hundred twenty-one million, twelve thousand, two hundred one".
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