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8619416145 = 34521282509
BaseRepresentation
bin10000000011100000…
…11101101001010001
3211020200221201010000
420001300131221101
5120123032304040
63543144000213
7423411554064
oct100160355121
924220851100
108619416145
113723487a1a
121806760069
13a74979452
145baa668db
15356aa1130
hex201c1da51

8619416145 has 20 divisors (see below), whose sum is σ = 15451102260. Its totient is φ = 4597021728.

The previous prime is 8619416131. The next prime is 8619416153. The reversal of 8619416145 is 5416149168.

8619416145 is a `hidden beast` number, since 8 + 619 + 4 + 16 + 14 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4185054864 + 4434361281 = 64692^2 + 66591^2 .

It is not a de Polignac number, because 8619416145 - 26 = 8619416081 is a prime.

It is a super-2 number, since 2×86194161452 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8619416145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10640850 + ... + 10641659.

It is an arithmetic number, because the mean of its divisors is an integer number (772555113).

Almost surely, 28619416145 is an apocalyptic number.

It is an amenable number.

8619416145 is a deficient number, since it is larger than the sum of its proper divisors (6831686115).

8619416145 is a wasteful number, since it uses less digits than its factorization.

8619416145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21282526 (or 21282517 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 8619416145 is about 92840.8107730647. The cubic root of 8619416145 is about 2050.3403079700.

The spelling of 8619416145 in words is "eight billion, six hundred nineteen million, four hundred sixteen thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 21282509 63847527 106412545 191542581 319237635 574627743 957712905 1723883229 2873138715 8619416145