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1130230987 is a prime number
BaseRepresentation
bin100001101011101…
…1111010011001011
32220202201200102221
41003113133103023
54303314342422
6304052434511
740002543034
oct10327372313
92822650387
101130230987
1152aa932a6
12276618a37
13150206b42
14aa16ba8b
15693583c7
hex435df4cb

1130230987 has 2 divisors, whose sum is σ = 1130230988. Its totient is φ = 1130230986.

The previous prime is 1130230943. The next prime is 1130230993. The reversal of 1130230987 is 7890320311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1130230987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130231987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565115493 + 565115494.

It is an arithmetic number, because the mean of its divisors is an integer number (565115494).

Almost surely, 21130230987 is an apocalyptic number.

1130230987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130230987 is an equidigital number, since it uses as much as digits as its factorization.

1130230987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1130230987 is about 33618.9081767984. The cubic root of 1130230987 is about 1041.6514034272.

The spelling of 1130230987 in words is "one billion, one hundred thirty million, two hundred thirty thousand, nine hundred eighty-seven".