Base | Representation |
---|---|
bin | 1101101111110100001011… |
… | …01001111110100101010100 |
3 | 10222000222111011101102212112 |
4 | 12313322011221332211110 |
5 | 12430242443341000340 |
6 | 144143323344010152 |
7 | 6240030042002654 |
oct | 667720551764524 |
9 | 128028434342775 |
10 | 30230222203220 |
11 | 96a5624373906 |
12 | 34829a0300958 |
13 | 13b390bb829c0 |
14 | 7672171d8364 |
15 | 37655661a065 |
hex | 1b7e85a7e954 |
30230222203220 has 48 divisors (see below), whose sum is σ = 68419849614480. Its totient is φ = 11153268704256.
The previous prime is 30230222203189. The next prime is 30230222203243. The reversal of 30230222203220 is 2230222203203.
It can be written as a sum of positive squares in 8 ways, for example, as 2434361339536 + 27795860863684 = 1560244^2 + 5272178^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44765747 + ... + 45436026.
It is an arithmetic number, because the mean of its divisors is an integer number (1425413533635).
Almost surely, 230230222203220 is an apocalyptic number.
It is an amenable number.
30230222203220 is an abundant number, since it is smaller than the sum of its proper divisors (38189627411260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30230222203220 is a wasteful number, since it uses less digits than its factorization.
30230222203220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90203084 (or 90203082 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 23.
Adding to 30230222203220 its reverse (2230222203203), we get a palindrome (32460444406423).
The spelling of 30230222203220 in words is "thirty trillion, two hundred thirty billion, two hundred twenty-two million, two hundred three thousand, two hundred twenty".
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