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8005454613 = 34137602521
BaseRepresentation
bin1110111010010100…
…11000101100010101
3202122220200020020000
413131022120230111
5112343344021423
63402212401513
7402245145552
oct73512305425
922586606200
108005454613
1134389635a2
121675016299
139a7702ac0
1455d2c7a29
1531cc26843
hex1dd298b15

8005454613 has 20 divisors (see below), whose sum is σ = 12878672268. Its totient is φ = 4926432960.

The previous prime is 8005454591. The next prime is 8005454617. The reversal of 8005454613 is 3164545008.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1359618129 + 6645836484 = 36873^2 + 81522^2 .

It is not a de Polignac number, because 8005454613 - 217 = 8005323541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8005454617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3800208 + ... + 3802313.

Almost surely, 28005454613 is an apocalyptic number.

It is an amenable number.

8005454613 is a deficient number, since it is larger than the sum of its proper divisors (4873217655).

8005454613 is a wasteful number, since it uses less digits than its factorization.

8005454613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602546 (or 7602537 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 8005454613 is about 89473.2061178094. The cubic root of 8005454613 is about 2000.4544478141.

The spelling of 8005454613 in words is "eight billion, five million, four hundred fifty-four thousand, six hundred thirteen".

Divisors: 1 3 9 13 27 39 81 117 351 1053 7602521 22807563 68422689 98832773 205268067 296498319 615804201 889494957 2668484871 8005454613