| Base | Representation |
|---|---|
| bin | 111110100111100… |
| … | …1111100010000000 |
| 3 | 12102102200100220000 |
| 4 | 1331033033202000 |
| 5 | 13300343212101 |
| 6 | 544254520000 |
| 7 | 103032314160 |
| oct | 17517174200 |
| 9 | 5372610800 |
| 10 | 2101147776 |
| 11 | 989052472 |
| 12 | 4a7806000 |
| 13 | 276400410 |
| 14 | 15d0a85a0 |
| 15 | c46e2486 |
| hex | 7d3cf880 |
2101147776 has 640 divisors, whose sum is σ = 8210885760. Its totient is φ = 517570560.
The previous prime is 2101147771. The next prime is 2101147781. The reversal of 2101147776 is 6777411012.
It is an interprime number because it is at equal distance from previous prime (2101147771) and next prime (2101147781).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 2101147776.
It is not an unprimeable number, because it can be changed into a prime (2101147771) 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, 16039231 + ... + 16039361.
It is an arithmetic number, because the mean of its divisors is an integer number (12829509).
Almost surely, 22101147776 is an apocalyptic number.
2101147776 is a gapful number since it is divisible by the number (26) 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 2101147776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4105442880).
2101147776 is an abundant number, since it is smaller than the sum of its proper divisors (6109737984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101147776 is a wasteful number, since it uses less digits than its factorization.
2101147776 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194 (or 173 counting only the distinct ones).
The product of its (nonzero) digits is 16464, while the sum is 36.
The square root of 2101147776 is about 45838.2785017064. The cubic root of 2101147776 is about 1280.8124269449.
Adding to 2101147776 its reverse (6777411012), we get a palindrome (8878558788).
The spelling of 2101147776 in words is "two billion, one hundred one million, one hundred forty-seven thousand, seven hundred seventy-six".
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