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6465601441 = 13497353957
BaseRepresentation
bin1100000010110000…
…10011111110100001
3121200121011120210001
412001120103332201
5101220143221231
62545324140001
7316136463655
oct60130237641
917617146701
106465601441
112818733072
121305397601
137c0698a90
144549aca65
1527c958b61
hex181613fa1

6465601441 has 4 divisors (see below), whose sum is σ = 6962955412. Its totient is φ = 5968247472.

The previous prime is 6465601403. The next prime is 6465601451. The reversal of 6465601441 is 1441065646.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3469681216 + 2995920225 = 58904^2 + 54735^2 .

It is a cyclic number.

It is not a de Polignac number, because 6465601441 - 217 = 6465470369 is a prime.

It is a super-2 number, since 2×64656014412 = 83608003987722552962, which contains 22 as substring.

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 6465601441.

It is not an unprimeable number, because it can be changed into a prime (6465601451) 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, 248676966 + ... + 248676991.

It is an arithmetic number, because the mean of its divisors is an integer number (1740738853).

Almost surely, 26465601441 is an apocalyptic number.

It is an amenable number.

6465601441 is a deficient number, since it is larger than the sum of its proper divisors (497353971).

6465601441 is a wasteful number, since it uses less digits than its factorization.

6465601441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497353970.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 6465601441 is about 80408.9636856489. The cubic root of 6465601441 is about 1862.9576255257.

The spelling of 6465601441 in words is "six billion, four hundred sixty-five million, six hundred one thousand, four hundred forty-one".

Divisors: 1 13 497353957 6465601441