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1914130019 is a prime number
BaseRepresentation
bin111001000010111…
…0100111001100011
311221101202212202102
41302011310321203
512410004130034
6513534241015
765301556664
oct16205647143
94841685672
101914130019
118a252723a
1245505616b
13246740219
1414230536b
15b309e97e
hex72174e63

1914130019 has 2 divisors, whose sum is σ = 1914130020. Its totient is φ = 1914130018.

The previous prime is 1914129983. The next prime is 1914130063. The reversal of 1914130019 is 9100314191.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1914130019 is a prime.

It is a super-2 number, since 2×19141300192 = 7327787459273880722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1914129973 and 1914130000.

It is not a weakly prime, because it can be changed into another prime (1914132019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957065009 + 957065010.

It is an arithmetic number, because the mean of its divisors is an integer number (957065010).

Almost surely, 21914130019 is an apocalyptic number.

1914130019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914130019 is an equidigital number, since it uses as much as digits as its factorization.

1914130019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1914130019 is about 43750.7716389094. The cubic root of 1914130019 is about 1241.6250846687.

The spelling of 1914130019 in words is "one billion, nine hundred fourteen million, one hundred thirty thousand, nineteen".