Base | Representation |
---|---|
bin | 100101010000001… |
… | …1000000100110001 |
3 | 10020010002122021210 |
4 | 1022200120010301 |
5 | 10030000014301 |
6 | 324011510333 |
7 | 42655556241 |
oct | 11240300461 |
9 | 3203078253 |
10 | 1250001201 |
11 | 591658449 |
12 | 2aa7583a9 |
13 | 16bc802a7 |
14 | bc027b21 |
15 | 74b15ad6 |
hex | 4a818131 |
1250001201 has 4 divisors (see below), whose sum is σ = 1666668272. Its totient is φ = 833334132.
The previous prime is 1250001169. The next prime is 1250001227. The reversal of 1250001201 is 1021000521.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 1250001201 - 25 = 1250001169 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1250001281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208333531 + ... + 208333536.
It is an arithmetic number, because the mean of its divisors is an integer number (416667068).
Almost surely, 21250001201 is an apocalyptic number.
It is an amenable number.
1250001201 is a deficient number, since it is larger than the sum of its proper divisors (416667071).
1250001201 is an equidigital number, since it uses as much as digits as its factorization.
1250001201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416667070.
The product of its (nonzero) digits is 20, while the sum is 12.
The square root of 1250001201 is about 35355.3560440282. The cubic root of 1250001201 is about 1077.2176900126.
Adding to 1250001201 its reverse (1021000521), we get a palindrome (2271001722).
The spelling of 1250001201 in words is "one billion, two hundred fifty million, one thousand, two hundred one".
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