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6461830473 = 3723971071289
BaseRepresentation
bin1100000010010011…
…11011010101001001
3121200100001222222120
412001021323111021
5101213212033343
62545111241453
7316062436620
oct60111732511
917610058876
106461830473
11281659796a
121304079289
137bc978537
144542aa6b7
1527c461683
hex18127b549

6461830473 has 64 divisors (see below), whose sum is σ = 10485780480. Its totient is φ = 3460165632.

The previous prime is 6461830469. The next prime is 6461830499. The reversal of 6461830473 is 3740381646.

It is a happy number.

It is not a de Polignac number, because 6461830473 - 22 = 6461830469 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6461830073) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5012413 + ... + 5013701.

It is an arithmetic number, because the mean of its divisors is an integer number (163840320).

Almost surely, 26461830473 is an apocalyptic number.

It is an amenable number.

6461830473 is a deficient number, since it is larger than the sum of its proper divisors (4023950007).

6461830473 is a wasteful number, since it uses less digits than its factorization.

6461830473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 6461830473 is about 80385.5115863549. The cubic root of 6461830473 is about 1862.5953741110.

The spelling of 6461830473 in words is "six billion, four hundred sixty-one million, eight hundred thirty thousand, four hundred seventy-three".

Divisors: 1 3 7 21 23 69 97 107 161 291 321 483 679 749 1289 2037 2231 2247 2461 3867 6693 7383 9023 10379 15617 17227 27069 29647 31137 46851 51681 72653 88941 125033 137923 207529 217959 238717 375099 413769 622587 716151 875231 965461 1671019 2625693 2875759 2896383 3172229 5013057 8627277 9516687 13378531 20130313 22205603 40135593 60390939 66616809 93649717 280949151 307706213 923118639 2153943491 6461830473