Base | Representation |
---|---|
bin | 100110101011001… |
… | …0001001001111010 |
3 | 10100102211010111210 |
4 | 1031112101021322 |
5 | 10124201324231 |
6 | 332433503550 |
7 | 44105060361 |
oct | 11526211172 |
9 | 3312733453 |
10 | 1297683066 |
11 | 606565549 |
12 | 302711bb6 |
13 | 178b06504 |
14 | c44ba7d8 |
15 | 78dd3a46 |
hex | 4d59127a |
1297683066 has 32 divisors (see below), whose sum is σ = 2806513920. Its totient is φ = 398452736.
The previous prime is 1297682999. The next prime is 1297683067. The reversal of 1297683066 is 6603867921.
It is not an unprimeable number, because it can be changed into a prime (1297683067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130551 + ... + 140138.
It is an arithmetic number, because the mean of its divisors is an integer number (87703560).
Almost surely, 21297683066 is an apocalyptic number.
1297683066 is an abundant number, since it is smaller than the sum of its proper divisors (1508830854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1297683066 is a wasteful number, since it uses less digits than its factorization.
1297683066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270758.
The product of its (nonzero) digits is 653184, while the sum is 48.
The square root of 1297683066 is about 36023.3683322368. The cubic root of 1297683066 is about 1090.7441166450.
The spelling of 1297683066 in words is "one billion, two hundred ninety-seven million, six hundred eighty-three thousand, sixty-six".
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