Base | Representation |
---|---|
bin | 11100001000110001… |
… | …101011100010111110 |
3 | 2212222112020020110122 |
4 | 130020301223202332 |
5 | 443333233342342 |
6 | 21513524134542 |
7 | 2116452603200 |
oct | 341061534276 |
9 | 85875206418 |
10 | 30212012222 |
11 | 118a3990a47 |
12 | 5a31b37452 |
13 | 2b06296b12 |
14 | 1668676770 |
15 | bbc5574d2 |
hex | 708c6b8be |
30212012222 has 24 divisors (see below), whose sum is σ = 52752303000. Its totient is φ = 12939304560.
The previous prime is 30212012219. The next prime is 30212012249. The reversal of 30212012222 is 22221021203.
It is a self number, because there is not a number n which added to its sum of digits gives 30212012222.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44072 + ... + 249732.
It is an arithmetic number, because the mean of its divisors is an integer number (2198012625).
Almost surely, 230212012222 is an apocalyptic number.
30212012222 is a deficient number, since it is larger than the sum of its proper divisors (22540290778).
30212012222 is a wasteful number, since it uses less digits than its factorization.
30212012222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207176 (or 207169 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 30212012222 its reverse (22221021203), we get a palindrome (52433033425).
The spelling of 30212012222 in words is "thirty billion, two hundred twelve million, twelve thousand, two hundred twenty-two".
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