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243140011 is a prime number
BaseRepresentation
bin11100111111000…
…00010110101011
3121221111210101121
432133200112223
5444220440021
640043200111
76011441002
oct1637402653
9557453347
10243140011
11115278764
1269516037
133b4b013a
1424411c39
151652b741
hexe7e05ab

243140011 has 2 divisors, whose sum is σ = 243140012. Its totient is φ = 243140010.

The previous prime is 243139999. The next prime is 243140041. The reversal of 243140011 is 110041342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243140011 - 29 = 243139499 is a prime.

It is not a weakly prime, because it can be changed into another prime (243140041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121570005 + 121570006.

It is an arithmetic number, because the mean of its divisors is an integer number (121570006).

Almost surely, 2243140011 is an apocalyptic number.

243140011 is a deficient number, since it is larger than the sum of its proper divisors (1).

243140011 is an equidigital number, since it uses as much as digits as its factorization.

243140011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 243140011 is about 15592.9474763433. The cubic root of 243140011 is about 624.1449735410.

Adding to 243140011 its reverse (110041342), we get a palindrome (353181353).

The spelling of 243140011 in words is "two hundred forty-three million, one hundred forty thousand, eleven".