Search a number
-
+
38145015019 is a prime number
BaseRepresentation
bin100011100001100111…
…101011110011101011
310122110101120112111001
4203201213223303223
51111110110440034
625305032015431
72520161164216
oct434147536353
9118411515431
1038145015019
11151a4959401
127486831577
13379b980107
141bbc0a077d
15ed3c1ba14
hex8e19ebceb

38145015019 has 2 divisors, whose sum is σ = 38145015020. Its totient is φ = 38145015018.

The previous prime is 38145014983. The next prime is 38145015113. The reversal of 38145015019 is 91051054183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38145015019 - 29 = 38145014507 is a prime.

It is a super-2 number, since 2×381450150192 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38145015119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19072507509 + 19072507510.

It is an arithmetic number, because the mean of its divisors is an integer number (19072507510).

Almost surely, 238145015019 is an apocalyptic number.

38145015019 is a deficient number, since it is larger than the sum of its proper divisors (1).

38145015019 is an equidigital number, since it uses as much as digits as its factorization.

38145015019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 38145015019 in words is "thirty-eight billion, one hundred forty-five million, fifteen thousand, nineteen".