Base | Representation |
---|---|
bin | 1101101111010010010001… |
… | …11001111010011001100111 |
3 | 10221222020111211120020222201 |
4 | 12313221020321322121213 |
5 | 12424443210403213111 |
6 | 144131113430035331 |
7 | 6235514045123002 |
oct | 667511071723147 |
9 | 127866454506881 |
10 | 30212023101031 |
11 | 9698935461a92 |
12 | 347b3614a8b47 |
13 | 13b1c9b620995 |
14 | 7663ac180539 |
15 | 375d3da336c1 |
hex | 1b7a48e7a667 |
30212023101031 has 4 divisors (see below), whose sum is σ = 30212037812200. Its totient is φ = 30212008389864.
The previous prime is 30212023100999. The next prime is 30212023101047. The reversal of 30212023101031 is 13010132021203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30212023101031 - 25 = 30212023100999 is a prime.
It is a super-2 number, since 2×302120231010312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30212023101731) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3654216 + ... + 8589373.
It is an arithmetic number, because the mean of its divisors is an integer number (7553009453050).
Almost surely, 230212023101031 is an apocalyptic number.
30212023101031 is a deficient number, since it is larger than the sum of its proper divisors (14711169).
30212023101031 is a wasteful number, since it uses less digits than its factorization.
30212023101031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14711168.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 30212023101031 its reverse (13010132021203), we get a palindrome (43222155122234).
The spelling of 30212023101031 in words is "thirty trillion, two hundred twelve billion, twenty-three million, one hundred one thousand, thirty-one".
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