Base | Representation |
---|---|
bin | 111011110000111… |
… | …1111111100000111 |
3 | 12011202111221111010 |
4 | 1313201333330013 |
5 | 13101340320401 |
6 | 530554413303 |
7 | 100460426112 |
oct | 16741777407 |
9 | 5152457433 |
10 | 2005401351 |
11 | 939aa6798 |
12 | 47b731233 |
13 | 25c618a25 |
14 | 1504a3579 |
15 | bb0cced6 |
hex | 7787ff07 |
2005401351 has 8 divisors (see below), whose sum is σ = 2674076400. Its totient is φ = 1336830272.
The previous prime is 2005401347. The next prime is 2005401361. The reversal of 2005401351 is 1531045002.
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 2005401351 - 22 = 2005401347 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2005401361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55675 + ... + 84323.
It is an arithmetic number, because the mean of its divisors is an integer number (334259550).
Almost surely, 22005401351 is an apocalyptic number.
2005401351 is a deficient number, since it is larger than the sum of its proper divisors (668675049).
2005401351 is a wasteful number, since it uses less digits than its factorization.
2005401351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51985.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 2005401351 is about 44781.7077722590. The cubic root of 2005401351 is about 1261.0542430144.
Adding to 2005401351 its reverse (1531045002), we get a palindrome (3536446353).
The spelling of 2005401351 in words is "two billion, five million, four hundred one thousand, three hundred fifty-one".
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