Search a number
-
+
42015011 is a prime number
BaseRepresentation
bin1010000001000…
…1100100100011
32221001120202112
42200101210203
541223440021
64100305535
71020056513
oct240214443
987046675
1042015011
1121797555
12120a22ab
138920a6c
145819843
153a4dd5b
hex2811923

42015011 has 2 divisors, whose sum is σ = 42015012. Its totient is φ = 42015010.

The previous prime is 42014993. The next prime is 42015019. The reversal of 42015011 is 11051024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42015011 is a prime.

It is a super-2 number, since 2×420150112 = 3530522298660242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42015019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21007505 + 21007506.

It is an arithmetic number, because the mean of its divisors is an integer number (21007506).

Almost surely, 242015011 is an apocalyptic number.

42015011 is a deficient number, since it is larger than the sum of its proper divisors (1).

42015011 is an equidigital number, since it uses as much as digits as its factorization.

42015011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 42015011 is about 6481.8987187397. The cubic root of 42015011 is about 347.6440711719.

Adding to 42015011 its reverse (11051024), we get a palindrome (53066035).

The spelling of 42015011 in words is "forty-two million, fifteen thousand, eleven".