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1130155771 is a prime number
BaseRepresentation
bin100001101011100…
…1100111011111011
32220202120212021011
41003113030323323
54303304441041
6304051054351
740002110533
oct10327147373
92822525234
101130155771
1152aa41838
122765a13b7
131501ab834
14aa14c4c3
1569340e81
hex435ccefb

1130155771 has 2 divisors, whose sum is σ = 1130155772. Its totient is φ = 1130155770.

The previous prime is 1130155769. The next prime is 1130155783. The reversal of 1130155771 is 1775510311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1130155771 - 21 = 1130155769 is a prime.

Together with 1130155769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1130155171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565077885 + 565077886.

It is an arithmetic number, because the mean of its divisors is an integer number (565077886).

Almost surely, 21130155771 is an apocalyptic number.

1130155771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130155771 is an equidigital number, since it uses as much as digits as its factorization.

1130155771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3675, while the sum is 31.

The square root of 1130155771 is about 33617.7895019884. The cubic root of 1130155771 is about 1041.6282958822.

The spelling of 1130155771 in words is "one billion, one hundred thirty million, one hundred fifty-five thousand, seven hundred seventy-one".