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1020132851 is a prime number
BaseRepresentation
bin111100110011011…
…111110111110011
32122002120010012012
4330303133313303
54042123222401
6245120553135
734164662153
oct7463376763
92562503165
101020132851
11483924a01
122457827ab
13133468c0a
14996ac763
155e85b8bb
hex3ccdfdf3

1020132851 has 2 divisors, whose sum is σ = 1020132852. Its totient is φ = 1020132850.

The previous prime is 1020132769. The next prime is 1020132877. The reversal of 1020132851 is 1582310201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1020132851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020132251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510066425 + 510066426.

It is an arithmetic number, because the mean of its divisors is an integer number (510066426).

Almost surely, 21020132851 is an apocalyptic number.

1020132851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020132851 is an equidigital number, since it uses as much as digits as its factorization.

1020132851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1020132851 is about 31939.5186407059. The cubic root of 1020132851 is about 1006.6664105497. Note that the first 3 decimals are identical.

The spelling of 1020132851 in words is "one billion, twenty million, one hundred thirty-two thousand, eight hundred fifty-one".