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6463946141 = 85320873631
BaseRepresentation
bin1100000010100011…
…11111110110011101
3121200111001111010122
412001101333312131
5101214232234031
62545224444325
7316116431012
oct60121776635
917614044118
106463946141
112817802454
1213049196a5
137c0239503
1445469b709
1527c72d47b
hex18147fd9d

6463946141 has 8 divisors (see below), whose sum is σ = 6476408064. Its totient is φ = 6451497360.

The previous prime is 6463946123. The next prime is 6463946179. The reversal of 6463946141 is 1416493646.

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 6463946141 - 214 = 6463929757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6463946092 and 6463946101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463946441) 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, 1778396 + ... + 1782026.

It is an arithmetic number, because the mean of its divisors is an integer number (809551008).

Almost surely, 26463946141 is an apocalyptic number.

It is an amenable number.

6463946141 is a deficient number, since it is larger than the sum of its proper divisors (12461923).

6463946141 is a wasteful number, since it uses less digits than its factorization.

6463946141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571.

The product of its digits is 373248, while the sum is 44.

The square root of 6463946141 is about 80398.6700200942. The cubic root of 6463946141 is about 1862.7986293886.

The spelling of 6463946141 in words is "six billion, four hundred sixty-three million, nine hundred forty-six thousand, one hundred forty-one".

Divisors: 1 853 2087 3631 1780211 3097243 7577897 6463946141