Base | Representation |
---|---|
bin | 111001111111111… |
… | …1001101100000001 |
3 | 12000121222201010101 |
4 | 1303333321230001 |
5 | 12441202144301 |
6 | 521040202401 |
7 | 66140561620 |
oct | 16377715401 |
9 | 5017881111 |
10 | 1946131201 |
11 | 9095a41a3 |
12 | 463909401 |
13 | 250266031 |
14 | 1466756b7 |
15 | b5cc1701 |
hex | 73ff9b01 |
1946131201 has 8 divisors (see below), whose sum is σ = 2225231360. Its totient is φ = 1667301408.
The previous prime is 1946131199. The next prime is 1946131207. The reversal of 1946131201 is 1021316491.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1946131201 - 21 = 1946131199 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 1946131201.
It is not an unprimeable number, because it can be changed into a prime (1946131207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51921 + ... + 81166.
It is an arithmetic number, because the mean of its divisors is an integer number (278153920).
Almost surely, 21946131201 is an apocalyptic number.
It is an amenable number.
1946131201 is a deficient number, since it is larger than the sum of its proper divisors (279100159).
1946131201 is a wasteful number, since it uses less digits than its factorization.
1946131201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135183.
The product of its (nonzero) digits is 1296, while the sum is 28.
The square root of 1946131201 is about 44114.9770599510. The cubic root of 1946131201 is about 1248.5062051193.
Adding to 1946131201 its reverse (1021316491), we get a palindrome (2967447692).
The spelling of 1946131201 in words is "one billion, nine hundred forty-six million, one hundred thirty-one thousand, two hundred one".
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