| Base | Representation |
|---|---|
| bin | 100101101110110… |
| … | …0110110010100100 |
| 3 | 10021020022010012110 |
| 4 | 1023131212302210 |
| 5 | 10043102133020 |
| 6 | 325343521020 |
| 7 | 43242160314 |
| oct | 11335466244 |
| 9 | 3236263173 |
| 10 | 1266052260 |
| 11 | 59a720890 |
| 12 | 2b3bb9170 |
| 13 | 1723b0165 |
| 14 | c0205444 |
| 15 | 762368e0 |
| hex | 4b766ca4 |
1266052260 has 96 divisors (see below), whose sum is σ = 3873969792. Its totient is φ = 306385920.
The previous prime is 1266052259. The next prime is 1266052261. The reversal of 1266052260 is 622506621.
It is an interprime number because it is at equal distance from previous prime (1266052259) and next prime (1266052261).
It is a super-2 number, since 2×12660522602 = 3205776650102215200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (1266052261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482472 + ... + 485088.
It is an arithmetic number, because the mean of its divisors is an integer number (40353852).
Almost surely, 21266052260 is an apocalyptic number.
1266052260 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 1266052260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1936984896).
1266052260 is an abundant number, since it is smaller than the sum of its proper divisors (2607917532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1266052260 is a wasteful number, since it uses less digits than its factorization.
1266052260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3373 (or 3371 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 1266052260 is about 35581.6281246376. The cubic root of 1266052260 is about 1081.8088856263.
Adding to 1266052260 its reverse (622506621), we get a palindrome (1888558881).
The spelling of 1266052260 in words is "one billion, two hundred sixty-six million, fifty-two thousand, two hundred sixty".
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