Base | Representation |
---|---|
bin | 100011110110011… |
… | …1000010010000001 |
3 | 10002211120001100001 |
4 | 1013230320102001 |
5 | 4430423302301 |
6 | 315211200001 |
7 | 41544611461 |
oct | 10754702201 |
9 | 3084501301 |
10 | 1202947201 |
11 | 56803a045 |
12 | 296a46001 |
13 | 1622b6aa1 |
14 | b5a99ba1 |
15 | 7091dc01 |
hex | 47b38481 |
1202947201 has 4 divisors (see below), whose sum is σ = 1225644372. Its totient is φ = 1180250032.
The previous prime is 1202947189. The next prime is 1202947211. The reversal of 1202947201 is 1027492021.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 939729025 + 263218176 = 30655^2 + 16224^2 .
It is a cyclic number.
It is not a de Polignac number, because 1202947201 - 27 = 1202947073 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1202947201.
It is not an unprimeable number, because it can be changed into a prime (1202947211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11348506 + ... + 11348611.
It is an arithmetic number, because the mean of its divisors is an integer number (306411093).
Almost surely, 21202947201 is an apocalyptic number.
It is an amenable number.
1202947201 is a deficient number, since it is larger than the sum of its proper divisors (22697171).
1202947201 is an equidigital number, since it uses as much as digits as its factorization.
1202947201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22697170.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 1202947201 is about 34683.5292466035. The cubic root of 1202947201 is about 1063.5278213863.
The spelling of 1202947201 in words is "one billion, two hundred two million, nine hundred forty-seven thousand, two hundred one".
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