| Base | Representation |
|---|---|
| bin | 1101101001101101000010… |
| … | …10000111101110111010100 |
| 3 | 10221021220110120210102022000 |
| 4 | 12310312201100331313110 |
| 5 | 12413322413343324340 |
| 6 | 143503034301235300 |
| 7 | 6215614222553523 |
| oct | 664664120756724 |
| 9 | 127256416712260 |
| 10 | 30020232011220 |
| 11 | 9624566387590 |
| 12 | 344a156b62b30 |
| 13 | 1399b84bcb719 |
| 14 | 75adb63c84ba |
| 15 | 370d660c3d30 |
| hex | 1b4da143ddd4 |
30020232011220 has 768 divisors, whose sum is σ = 112625251200000. Its totient is φ = 6552602542080.
The previous prime is 30020232011207. The next prime is 30020232011233. The reversal of 30020232011220 is 2211023202003.
30020232011220 is a `hidden beast` number, since 30 + 0 + 202 + 320 + 112 + 2 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (30020232011207) and next prime (30020232011233).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30020232011193 and 30020232011202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 319150756 + ... + 319244804.
It is an arithmetic number, because the mean of its divisors is an integer number (146647462500).
Almost surely, 230020232011220 is an apocalyptic number.
30020232011220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30020232011220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56312625600000).
30020232011220 is an abundant number, since it is smaller than the sum of its proper divisors (82605019188780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30020232011220 is a wasteful number, since it uses less digits than its factorization.
30020232011220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94233 (or 94225 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 30020232011220 its reverse (2211023202003), we get a palindrome (32231255213223).
The spelling of 30020232011220 in words is "thirty trillion, twenty billion, two hundred thirty-two million, eleven thousand, two hundred twenty".
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