Search a number
-
+
6465144413 = 71371045543
BaseRepresentation
bin1100000010101101…
…00100011001011101
3121200120022100212002
412001112210121131
5101220034110123
62545310252045
7316132551350
oct60126443135
917616270762
106465144413
112818450762
1213051b7025
137c0568a50
144548d0297
1527c8b8528
hex1815a465d

6465144413 has 8 divisors (see below), whose sum is σ = 7957100928. Its totient is φ = 5115279024.

The previous prime is 6465144407. The next prime is 6465144443. The reversal of 6465144413 is 3144415646.

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 6465144413 - 218 = 6464882269 is a prime.

It is a super-2 number, since 2×64651444132 = 83596184561890229138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465144403) 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, 35522681 + ... + 35522862.

It is an arithmetic number, because the mean of its divisors is an integer number (994637616).

Almost surely, 26465144413 is an apocalyptic number.

It is an amenable number.

6465144413 is a deficient number, since it is larger than the sum of its proper divisors (1491956515).

6465144413 is a wasteful number, since it uses less digits than its factorization.

6465144413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71045563.

The product of its digits is 138240, while the sum is 38.

The square root of 6465144413 is about 80406.1217383353. The cubic root of 6465144413 is about 1862.9137294361.

The spelling of 6465144413 in words is "six billion, four hundred sixty-five million, one hundred forty-four thousand, four hundred thirteen".

Divisors: 1 7 13 91 71045543 497318801 923592059 6465144413