Base | Representation |
---|---|
bin | 1101101111100011011011… |
… | …10011000101010010101101 |
3 | 10222000010021121201220120011 |
4 | 12313301231303011102231 |
5 | 12430121040343032341 |
6 | 144135235312453221 |
7 | 6236261205363301 |
oct | 667615563052255 |
9 | 128003247656504 |
10 | 30221232002221 |
11 | 96a1830665827 |
12 | 34810b154a211 |
13 | 13b2b08453940 |
14 | 766a03213d01 |
15 | 3761cc226b81 |
hex | 1b7c6dcc54ad |
30221232002221 has 8 divisors (see below), whose sum is σ = 32550868227584. Its totient is φ = 27892299501360.
The previous prime is 30221232002219. The next prime is 30221232002249. The reversal of 30221232002221 is 12220023212203.
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 30221232002221 - 21 = 30221232002219 is a prime.
It is a super-3 number, since 3×302212320022213 (a number of 41 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30221232002192 and 30221232002201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30221232002321) 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, 175841925 + ... + 176013706.
It is an arithmetic number, because the mean of its divisors is an integer number (4068858528448).
Almost surely, 230221232002221 is an apocalyptic number.
It is an amenable number.
30221232002221 is a deficient number, since it is larger than the sum of its proper divisors (2329636225363).
30221232002221 is a wasteful number, since it uses less digits than its factorization.
30221232002221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351862251.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 30221232002221 its reverse (12220023212203), we get a palindrome (42441255214424).
The spelling of 30221232002221 in words is "thirty trillion, two hundred twenty-one billion, two hundred thirty-two million, two thousand, two hundred twenty-one".
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