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1148682681 = 3342543803
BaseRepresentation
bin100010001110111…
…1000000110111001
32222001110010102000
41010131320012321
54323030321211
6305552131213
740315433046
oct10435700671
92861403360
101148682681
1153a446333
12280836b09
13153c975c3
14ac7b21cd
156aca0656
hex447781b9

1148682681 has 8 divisors (see below), whose sum is σ = 1701752160. Its totient is φ = 765788436.

The previous prime is 1148682671. The next prime is 1148682701. The reversal of 1148682681 is 1862868411.

1148682681 is a `hidden beast` number, since 11 + 486 + 82 + 6 + 81 = 666.

It is not a de Polignac number, because 1148682681 - 27 = 1148682553 is a prime.

It is a super-2 number, since 2×11486826812 = 2638943803258695522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1148682631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21271875 + ... + 21271928.

It is an arithmetic number, because the mean of its divisors is an integer number (212719020).

Almost surely, 21148682681 is an apocalyptic number.

It is an amenable number.

1148682681 is a deficient number, since it is larger than the sum of its proper divisors (553069479).

1148682681 is an equidigital number, since it uses as much as digits as its factorization.

1148682681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42543812 (or 42543806 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 1148682681 is about 33892.2215412327. The cubic root of 1148682681 is about 1047.2893593538.

The spelling of 1148682681 in words is "one billion, one hundred forty-eight million, six hundred eighty-two thousand, six hundred eighty-one".

Divisors: 1 3 9 27 42543803 127631409 382894227 1148682681