Base | Representation |
---|---|
bin | 11110000000110010000… |
… | …01110000000000010101 |
3 | 10122120201221101100110102 |
4 | 33000121001300000111 |
5 | 113343410240241323 |
6 | 2105422100503445 |
7 | 134334252500555 |
oct | 17003101600025 |
9 | 3576657340412 |
10 | 1031212040213 |
11 | 368375349753 |
12 | 147a329aab85 |
13 | 763207ac4a4 |
14 | 37ca7837165 |
15 | 1bc569a8328 |
hex | f019070015 |
1031212040213 has 16 divisors (see below), whose sum is σ = 1067899852800. Its totient is φ = 994743085440.
The previous prime is 1031212040203. The next prime is 1031212040219. The reversal of 1031212040213 is 3120402121301.
It is a cyclic number.
It is not a de Polignac number, because 1031212040213 - 230 = 1030138298389 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031212040219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12724820 + ... + 12805602.
It is an arithmetic number, because the mean of its divisors is an integer number (66743740800).
Almost surely, 21031212040213 is an apocalyptic number.
It is an amenable number.
1031212040213 is a deficient number, since it is larger than the sum of its proper divisors (36687812587).
1031212040213 is an equidigital number, since it uses as much as digits as its factorization.
1031212040213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82132.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 1031212040213 its reverse (3120402121301), we get a palindrome (4151614161514).
The spelling of 1031212040213 in words is "one trillion, thirty-one billion, two hundred twelve million, forty thousand, two hundred thirteen".
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