| Base | Representation |
|---|---|
| bin | 11101111110100011000… |
| … | …01100010000100111100 |
| 3 | 10122110122100001221020000 |
| 4 | 32333101201202010330 |
| 5 | 113333431134142340 |
| 6 | 2105103044354300 |
| 7 | 134262445022061 |
| oct | 16772141420474 |
| 9 | 3573570057200 |
| 10 | 1030012412220 |
| 11 | 36790a177460 |
| 12 | 1477590a5990 |
| 13 | 7618c0b843c |
| 14 | 37bd23a2c68 |
| 15 | 1bbd64e2d30 |
| hex | efd186213c |
1030012412220 has 240 divisors, whose sum is σ = 3526134153696. Its totient is φ = 249614784000.
The previous prime is 1030012412207. The next prime is 1030012412227. The reversal of 1030012412220 is 222142100301.
It is a happy number.
1030012412220 is a `hidden beast` number, since 1 + 0 + 30 + 0 + 1 + 2 + 412 + 220 = 666.
1030012412220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 = 1030012412193 and 1030012412202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030012412227) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 63805350 + ... + 63821490.
Almost surely, 21030012412220 is an apocalyptic number.
1030012412220 is a gapful number since it is divisible by the number (10) 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 1030012412220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1763067076848).
1030012412220 is an abundant number, since it is smaller than the sum of its proper divisors (2496121741476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030012412220 is a wasteful number, since it uses less digits than its factorization.
1030012412220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19754 (or 19743 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 1030012412220 its reverse (222142100301), we get a palindrome (1252154512521).
The spelling of 1030012412220 in words is "one trillion, thirty billion, twelve million, four hundred twelve thousand, two hundred twenty".
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