Base | Representation |
---|---|
bin | 1101101110111101110001… |
… | …00101111100000011010100 |
3 | 10221221012002110020221101120 |
4 | 12313132320211330003110 |
5 | 12424303133033324340 |
6 | 144122053044123540 |
7 | 6234644142321231 |
oct | 667367045740324 |
9 | 127835073227346 |
10 | 30201012011220 |
11 | 96941a4a3a266 |
12 | 34791a99965b0 |
13 | 13b0c3531271b |
14 | 765a45a24788 |
15 | 3758e70034d0 |
hex | 1b77b897c0d4 |
30201012011220 has 96 divisors (see below), whose sum is σ = 87110146569600. Its totient is φ = 7813515978240.
The previous prime is 30201012011171. The next prime is 30201012011231. The reversal of 30201012011220 is 2211021010203.
It is a super-2 number, since 2×302010120112202 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30201012011220.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38896851 + ... + 39665690.
It is an arithmetic number, because the mean of its divisors is an integer number (907397360100).
Almost surely, 230201012011220 is an apocalyptic number.
30201012011220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30201012011220 is an abundant number, since it is smaller than the sum of its proper divisors (56909134558380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30201012011220 is a wasteful number, since it uses less digits than its factorization.
30201012011220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78562745 (or 78562743 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 30201012011220 its reverse (2211021010203), we get a palindrome (32412033021423).
The spelling of 30201012011220 in words is "thirty trillion, two hundred one billion, twelve million, eleven thousand, two hundred twenty".
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