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8130976409 is a prime number
BaseRepresentation
bin1111001001010010…
…01101101010011001
3202222122212101202102
413210221031222121
5113123012221114
63422455013145
7405331105403
oct74451155231
922878771672
108130976409
1134a27a6a16
1216ab06a1b5
139c771115a
14571c3db73
15328c6d2de
hex1e4a4da99

8130976409 has 2 divisors, whose sum is σ = 8130976410. Its totient is φ = 8130976408.

The previous prime is 8130976319. The next prime is 8130976481. The reversal of 8130976409 is 9046790318.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5147632009 + 2983344400 = 71747^2 + 54620^2 .

It is a cyclic number.

It is not a de Polignac number, because 8130976409 - 28 = 8130976153 is a prime.

It is a super-2 number, since 2×81309764092 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8130576409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4065488204 + 4065488205.

It is an arithmetic number, because the mean of its divisors is an integer number (4065488205).

Almost surely, 28130976409 is an apocalyptic number.

It is an amenable number.

8130976409 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130976409 is an equidigital number, since it uses as much as digits as its factorization.

8130976409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 8130976409 is about 90171.9269451419. The cubic root of 8130976409 is about 2010.8556713421.

The spelling of 8130976409 in words is "eight billion, one hundred thirty million, nine hundred seventy-six thousand, four hundred nine".