| Base | Representation |
|---|---|
| bin | 100100010010000… |
| … | …0111001011000000 |
| 3 | 10010211210122200000 |
| 4 | 1020210013023000 |
| 5 | 4443130113422 |
| 6 | 320445400000 |
| 7 | 42111644160 |
| oct | 11044071300 |
| 9 | 3124718600 |
| 10 | 1217426112 |
| 11 | 575229291 |
| 12 | 29b869000 |
| 13 | 1652b61a6 |
| 14 | b79885a0 |
| 15 | 71d2dcac |
| hex | 489072c0 |
1217426112 has 336 divisors, whose sum is σ = 4233745152. Its totient is φ = 339655680.
The previous prime is 1217426071. The next prime is 1217426129. The reversal of 1217426112 is 2116247121.
1217426112 is a `hidden beast` number, since 1 + 2 + 1 + 7 + 42 + 611 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (336).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5769687 + ... + 5769897.
It is an arithmetic number, because the mean of its divisors is an integer number (12600432).
Almost surely, 21217426112 is an apocalyptic number.
1217426112 is a gapful number since it is divisible by the number (12) 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 1217426112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116872576).
1217426112 is an abundant number, since it is smaller than the sum of its proper divisors (3016319040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1217426112 is an equidigital number, since it uses as much as digits as its factorization.
1217426112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298 (or 276 counting only the distinct ones).
The product of its digits is 1344, while the sum is 27.
The square root of 1217426112 is about 34891.6338396470. The cubic root of 1217426112 is about 1067.7777595897. Note that the first 4 decimals are identical.
The spelling of 1217426112 in words is "one billion, two hundred seventeen million, four hundred twenty-six thousand, one hundred twelve".
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