Base | Representation |
---|---|
bin | 1101101100101100011101… |
… | …10010000011000001100111 |
3 | 10221122201201202000121220200 |
4 | 12312112032302003001213 |
5 | 12422013401242143421 |
6 | 144022152104201543 |
7 | 6226213022635050 |
oct | 666261662030147 |
9 | 127581652017820 |
10 | 30123001131111 |
11 | 9664102919419 |
12 | 34660581692b3 |
13 | 13a6782315935 |
14 | 761d65111727 |
15 | 37387d498726 |
hex | 1b658ec83067 |
30123001131111 has 12 divisors (see below), whose sum is σ = 49726859010192. Its totient is φ = 17213143503456.
The previous prime is 30123001131109. The next prime is 30123001131149. The reversal of 30123001131111 is 11113110032103.
30123001131111 is a `hidden beast` number, since 30 + 1 + 2 + 300 + 11 + 311 + 11 = 666.
It is not a de Polignac number, because 30123001131111 - 21 = 30123001131109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30123001130111) 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, 239071437486 + ... + 239071437611.
It is an arithmetic number, because the mean of its divisors is an integer number (4143904917516).
Almost surely, 230123001131111 is an apocalyptic number.
30123001131111 is a deficient number, since it is larger than the sum of its proper divisors (19603857879081).
30123001131111 is a wasteful number, since it uses less digits than its factorization.
30123001131111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 478142875110 (or 478142875107 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 18.
Adding to 30123001131111 its reverse (11113110032103), we get a palindrome (41236111163214).
The spelling of 30123001131111 in words is "thirty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, one hundred eleven".
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