Base | Representation |
---|---|
bin | 100110110101010… |
… | …0000111110110000 |
3 | 10100210210210022100 |
4 | 1031222200332300 |
5 | 10132031201033 |
6 | 333143340400 |
7 | 44201144622 |
oct | 11552407660 |
9 | 3323723270 |
10 | 1302990768 |
11 | 609560282 |
12 | 304451700 |
13 | 179c44371 |
14 | c509cc12 |
15 | 795d1513 |
hex | 4daa0fb0 |
1302990768 has 60 divisors (see below), whose sum is σ = 3657715048. Its totient is φ = 433002240.
The previous prime is 1302990763. The next prime is 1302990769. The reversal of 1302990768 is 8670992031.
It is not an unprimeable number, because it can be changed into a prime (1302990761) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33996 + ... + 61332.
Almost surely, 21302990768 is an apocalyptic number.
1302990768 is a gapful number since it is divisible by the number (18) 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 1302990768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828857524).
1302990768 is an abundant number, since it is smaller than the sum of its proper divisors (2354724280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1302990768 is a wasteful number, since it uses less digits than its factorization.
1302990768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27682 (or 27673 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The square root of 1302990768 is about 36096.9634179940. The cubic root of 1302990768 is about 1092.2291915182.
The spelling of 1302990768 in words is "one billion, three hundred two million, nine hundred ninety thousand, seven hundred sixty-eight".
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