Base | Representation |
---|---|
bin | 1101101100111011011000… |
… | …10010010001101111000001 |
3 | 10221200111102001110210010000 |
4 | 12312131230102101233001 |
5 | 12422131303122441001 |
6 | 144025555043430213 |
7 | 6226615400563416 |
oct | 666355422215701 |
9 | 127614361423100 |
10 | 30131012312001 |
11 | 9667543a33177 |
12 | 3467713085369 |
13 | 13a745ac71c63 |
14 | 7624c508a10d |
15 | 373b9b951a86 |
hex | 1b676c491bc1 |
30131012312001 has 20 divisors (see below), whose sum is σ = 45011216197332. Its totient is φ = 20087032879008.
The previous prime is 30131012311991. The next prime is 30131012312077. The reversal of 30131012312001 is 10021321013103.
30131012312001 is a `hidden beast` number, since 30 + 1 + 310 + 12 + 312 + 0 + 0 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 20351782577025 + 9779229734976 = 4511295^2 + 3127176^2 .
It is not a de Polignac number, because 30131012312001 - 25 = 30131012311969 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30131012312101) 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 19 ways as a sum of consecutive naturals, for example, 2507731 + ... + 8157863.
Almost surely, 230131012312001 is an apocalyptic number.
It is an amenable number.
30131012312001 is a deficient number, since it is larger than the sum of its proper divisors (14880203885331).
30131012312001 is an equidigital number, since it uses as much as digits as its factorization.
30131012312001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5715982 (or 5715973 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 30131012312001 its reverse (10021321013103), we get a palindrome (40152333325104).
The spelling of 30131012312001 in words is "thirty trillion, one hundred thirty-one billion, twelve million, three hundred twelve thousand, one".
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