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1819130051 is a prime number
BaseRepresentation
bin110110001101101…
…1011100011000011
311200210000101022002
41230123123203003
512211144130201
6500302134215
763036231104
oct15433334303
94623011262
101819130051
11853940372
1242928136b
1322cb5a51b
141338563ab
15a9a8676b
hex6c6db8c3

1819130051 has 2 divisors, whose sum is σ = 1819130052. Its totient is φ = 1819130050.

The previous prime is 1819130029. The next prime is 1819130081. The reversal of 1819130051 is 1500319181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1819130051 - 26 = 1819129987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1819129996 and 1819130023.

It is not a weakly prime, because it can be changed into another prime (1819130011) 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, 909565025 + 909565026.

It is an arithmetic number, because the mean of its divisors is an integer number (909565026).

Almost surely, 21819130051 is an apocalyptic number.

1819130051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1819130051 is an equidigital number, since it uses as much as digits as its factorization.

1819130051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 1819130051 is about 42651.2608371663. The cubic root of 1819130051 is about 1220.7345864920.

The spelling of 1819130051 in words is "one billion, eight hundred nineteen million, one hundred thirty thousand, fifty-one".