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1451412985 = 51130898543
BaseRepresentation
bin101011010000010…
…1100110111111001
310202011002102022111
41112200230313321
510433030203420
6400004452321
750652543511
oct12640546771
93664072274
101451412985
11685315070
123460aa0a1
131a1910069
14daa96841
158764d45a
hex5682cdf9

1451412985 has 16 divisors (see below), whose sum is σ = 1900869120. Its totient is φ = 1055107840.

The previous prime is 1451412971. The next prime is 1451413001. The reversal of 1451412985 is 5892141541.

It is not a de Polignac number, because 1451412985 - 217 = 1451281913 is a prime.

It is a super-2 number, since 2×14514129852 = 4213199306053220450, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 165624 + ... + 174166.

It is an arithmetic number, because the mean of its divisors is an integer number (118804320).

Almost surely, 21451412985 is an apocalyptic number.

It is an amenable number.

1451412985 is a deficient number, since it is larger than the sum of its proper divisors (449456135).

1451412985 is a wasteful number, since it uses less digits than its factorization.

1451412985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11648.

The product of its digits is 57600, while the sum is 40.

The square root of 1451412985 is about 38097.4144135793. The cubic root of 1451412985 is about 1132.2187291941.

The spelling of 1451412985 in words is "one billion, four hundred fifty-one million, four hundred twelve thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 3089 8543 15445 33979 42715 93973 169895 469865 26389327 131946635 290282597 1451412985