Base | Representation |
---|---|
bin | 1101101111100011100110… |
… | …01010011001111100100101 |
3 | 10222000010111220002101100012 |
4 | 12313301303022121330211 |
5 | 12430121231413032323 |
6 | 144135252245500005 |
7 | 6236263350356036 |
oct | 667616312317445 |
9 | 128003456071305 |
10 | 30221322002213 |
11 | 96a1877447091 |
12 | 3481117711605 |
13 | 13b2b20ca5884 |
14 | 766a11160a8d |
15 | 3761d50a3678 |
hex | 1b7c73299f25 |
30221322002213 has 8 divisors (see below), whose sum is σ = 30717902302680. Its totient is φ = 29724778759680.
The previous prime is 30221322002197. The next prime is 30221322002273. The reversal of 30221322002213 is 31220022312203.
It can be written as a sum of positive squares in 4 ways, for example, as 6767999965444 + 23453322036769 = 2601538^2 + 4842863^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30221322002213 - 24 = 30221322002197 is a prime.
It is a super-2 number, since 2×302213220022132 (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 (30221322002273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7617668 + ... + 10884461.
It is an arithmetic number, because the mean of its divisors is an integer number (3839737787835).
Almost surely, 230221322002213 is an apocalyptic number.
It is an amenable number.
30221322002213 is a deficient number, since it is larger than the sum of its proper divisors (496580300467).
30221322002213 is a wasteful number, since it uses less digits than its factorization.
30221322002213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18528967.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 30221322002213 its reverse (31220022312203), we get a palindrome (61441344314416).
The spelling of 30221322002213 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty-two million, two thousand, two hundred thirteen".
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