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1130152981 is a prime number
BaseRepresentation
bin100001101011100…
…1100010000010101
32220202120201102211
41003113030100111
54303304343411
6304051033421
740002066436
oct10327142025
92822521384
101130152981
1152aa3a731
1227659b871
131501aa499
14aa14b48d
1569340221
hex435cc415

1130152981 has 2 divisors, whose sum is σ = 1130152982. Its totient is φ = 1130152980.

The previous prime is 1130152963. The next prime is 1130152993. The reversal of 1130152981 is 1892510311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1104498756 + 25654225 = 33234^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130152981 - 27 = 1130152853 is a prime.

It is a super-2 number, since 2×11301529812 = 2554491520926372722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130156981) by changing a digit.

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 as a sum of consecutive naturals, namely, 565076490 + 565076491.

It is an arithmetic number, because the mean of its divisors is an integer number (565076491).

Almost surely, 21130152981 is an apocalyptic number.

It is an amenable number.

1130152981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130152981 is an equidigital number, since it uses as much as digits as its factorization.

1130152981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1130152981 is about 33617.7480060756. The cubic root of 1130152981 is about 1041.6274387304.

The spelling of 1130152981 in words is "one billion, one hundred thirty million, one hundred fifty-two thousand, nine hundred eighty-one".