Base | Representation |
---|---|
bin | 1101101111010010101000… |
… | …01010111011111010000111 |
3 | 10221222021000000020001201011 |
4 | 12313221110022323322013 |
5 | 12424444102300104111 |
6 | 144131144301143051 |
7 | 6235521531524254 |
oct | 667512412737207 |
9 | 127867000201634 |
10 | 30212212113031 |
11 | 9698a2211a553 |
12 | 347b3b485aa87 |
13 | 13b1ccb82b7c0 |
14 | 7663c930242b |
15 | 375d5041c021 |
hex | 1b7a542bbe87 |
30212212113031 has 16 divisors (see below), whose sum is σ = 33953333621760. Its totient is φ = 26673711815520.
The previous prime is 30212212113011. The next prime is 30212212113037. The reversal of 30212212113031 is 13031121221203.
It is a cyclic number.
It is not a de Polignac number, because 30212212113031 - 213 = 30212212104839 is a prime.
It is a super-2 number, since 2×302122121130312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30212212112993 and 30212212113011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30212212113037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396616 + ... + 7783426.
It is an arithmetic number, because the mean of its divisors is an integer number (2122083351360).
Almost surely, 230212212113031 is an apocalyptic number.
30212212113031 is a deficient number, since it is larger than the sum of its proper divisors (3741121508729).
30212212113031 is a wasteful number, since it uses less digits than its factorization.
30212212113031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7400526.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 30212212113031 its reverse (13031121221203), we get a palindrome (43243333334234).
The spelling of 30212212113031 in words is "thirty trillion, two hundred twelve billion, two hundred twelve million, one hundred thirteen thousand, thirty-one".
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