Base | Representation |
---|---|
bin | 1101101110111110000111… |
… | …10011100001100101101101 |
3 | 10221221012120120012222011200 |
4 | 12313133003303201211231 |
5 | 12424304024212402341 |
6 | 144122123444040113 |
7 | 6234651615250632 |
oct | 667370363414555 |
9 | 127835516188150 |
10 | 30201200122221 |
11 | 96942911418a7 |
12 | 3479240993039 |
13 | 13b0c652963cb |
14 | 765a629d0189 |
15 | 3759087aedb6 |
hex | 1b77c3ce196d |
30201200122221 has 12 divisors (see below), whose sum is σ = 43624529163072. Its totient is φ = 20133868754376.
The previous prime is 30201200122103. The next prime is 30201200122321. The reversal of 30201200122221 is 12222100210203.
30201200122221 is a `hidden beast` number, since 30 + 201 + 200 + 12 + 2 + 221 = 666.
It is not a de Polignac number, because 30201200122221 - 221 = 30201198025069 is a prime.
It is a super-2 number, since 2×302012001222212 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30201200122194 and 30201200122203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30201200122321) 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, 21331071 + ... + 22702796.
It is an arithmetic number, because the mean of its divisors is an integer number (3635377430256).
Almost surely, 230201200122221 is an apocalyptic number.
It is an amenable number.
30201200122221 is a deficient number, since it is larger than the sum of its proper divisors (13423329040851).
30201200122221 is a wasteful number, since it uses less digits than its factorization.
30201200122221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44110080 (or 44110077 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 30201200122221 its reverse (12222100210203), we get a palindrome (42423300332424).
The spelling of 30201200122221 in words is "thirty trillion, two hundred one billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •