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8448451561145 = 547171473209659
BaseRepresentation
bin111101011110000111011…
…1101000100011010111001
31002220122221010010002200202
41322330032331010122321
52101404412044424040
625545055353211545
71531244335252061
oct172741675043271
932818833102622
108448451561145
112767a71723652
12b45449400bb5
134938bb2502bb
14212c9b6603a1
15e9b6c2dc015
hex7af0ef446b9

8448451561145 has 16 divisors (see below), whose sum is σ = 10353956785920. Its totient is φ = 6614887689984.

The previous prime is 8448451561103. The next prime is 8448451561169. The reversal of 8448451561145 is 5411651548448.

It is a cyclic number.

It is not a de Polignac number, because 8448451561145 - 234 = 8431271691961 is a prime.

It is a super-2 number, since 2×84484515611452 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40191326 + ... + 40400984.

It is an arithmetic number, because the mean of its divisors is an integer number (647122299120).

Almost surely, 28448451561145 is an apocalyptic number.

It is an amenable number.

8448451561145 is a deficient number, since it is larger than the sum of its proper divisors (1905505224775).

8448451561145 is a wasteful number, since it uses less digits than its factorization.

8448451561145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381184.

The product of its digits is 12288000, while the sum is 56.

The spelling of 8448451561145 in words is "eight trillion, four hundred forty-eight billion, four hundred fifty-one million, five hundred sixty-one thousand, one hundred forty-five".

Divisors: 1 5 47 235 171473 209659 857365 1048295 8059231 9853973 40296155 49269865 35950857707 179754288535 1689690312229 8448451561145