Base | Representation |
---|---|
bin | 1101101111100011011000… |
… | …00101101001001000111101 |
3 | 10222000010012121202100122022 |
4 | 12313301230011221020331 |
5 | 12430121011022010323 |
6 | 144135232405525525 |
7 | 6236260406465003 |
oct | 667615405511075 |
9 | 128003177670568 |
10 | 30221203313213 |
11 | 96a1816450300 |
12 | 34810a3a138a5 |
13 | 13b2b0251a5b3 |
14 | 7669dd4a6a73 |
15 | 3761c995b4c8 |
hex | 1b7c6c16923d |
30221203313213 has 12 divisors (see below), whose sum is σ = 33218566413984. Its totient is φ = 27473640090600.
The previous prime is 30221203313207. The next prime is 30221203313299. The reversal of 30221203313213 is 31231330212203.
It is not a de Polignac number, because 30221203313213 - 212 = 30221203309117 is a prime.
It is a super-2 number, since 2×302212033132132 (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 (30221203333213) 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, 19717958 + ... + 21195288.
It is an arithmetic number, because the mean of its divisors is an integer number (2768213867832).
Almost surely, 230221203313213 is an apocalyptic number.
It is an amenable number.
30221203313213 is a deficient number, since it is larger than the sum of its proper divisors (2997363100771).
30221203313213 is a wasteful number, since it uses less digits than its factorization.
30221203313213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1646416 (or 1646405 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 30221203313213 its reverse (31231330212203), we get a palindrome (61452533525416).
The spelling of 30221203313213 in words is "thirty trillion, two hundred twenty-one billion, two hundred three million, three hundred thirteen thousand, two hundred thirteen".
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