Base | Representation |
---|---|
bin | 1101101111100011011000… |
… | …00101100110011101010111 |
3 | 10222000010012121201210120120 |
4 | 12313301230011212131113 |
5 | 12430121011021132411 |
6 | 144135232405403023 |
7 | 6236260406420664 |
oct | 667615405463527 |
9 | 128003177653516 |
10 | 30221203302231 |
11 | 96a1816443027 |
12 | 34810a3a09473 |
13 | 13b2b025155b6 |
14 | 7669dd4a2a6b |
15 | 3761c9958106 |
hex | 1b7c6c166757 |
30221203302231 has 4 divisors (see below), whose sum is σ = 40294937736312. Its totient is φ = 20147468868152.
The previous prime is 30221203302077. The next prime is 30221203302263. The reversal of 30221203302231 is 13220330212203.
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 30221203302231 - 213 = 30221203294039 is a prime.
It is a super-2 number, since 2×302212033022312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30221203302281) 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, 5036867217036 + ... + 5036867217041.
It is an arithmetic number, because the mean of its divisors is an integer number (10073734434078).
Almost surely, 230221203302231 is an apocalyptic number.
30221203302231 is a deficient number, since it is larger than the sum of its proper divisors (10073734434081).
30221203302231 is a wasteful number, since it uses less digits than its factorization.
30221203302231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10073734434080.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 30221203302231 its reverse (13220330212203), we get a palindrome (43441533514434).
The spelling of 30221203302231 in words is "thirty trillion, two hundred twenty-one billion, two hundred three million, three hundred two thousand, two hundred thirty-one".
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