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1024140011 = 4721790213
BaseRepresentation
bin111101000010110…
…010001011101011
32122101002200222112
4331002302023223
54044134440021
6245342512535
734244021636
oct7502621353
92571080875
101024140011
11486111604
12246b9574b
1313423cb0b
149a032c1d
155ed9dd5b
hex3d0b22eb

1024140011 has 4 divisors (see below), whose sum is σ = 1045930272. Its totient is φ = 1002349752.

The previous prime is 1024139981. The next prime is 1024140037. The reversal of 1024140011 is 1100414201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1100414201 = 1487740023.

It is a cyclic number.

It is not a de Polignac number, because 1024140011 - 26 = 1024139947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1024148011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10895060 + ... + 10895153.

It is an arithmetic number, because the mean of its divisors is an integer number (261482568).

Almost surely, 21024140011 is an apocalyptic number.

1024140011 is a deficient number, since it is larger than the sum of its proper divisors (21790261).

1024140011 is an equidigital number, since it uses as much as digits as its factorization.

1024140011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21790260.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1024140011 is about 32002.1875971003. The cubic root of 1024140011 is about 1007.9827760531.

Adding to 1024140011 its reverse (1100414201), we get a palindrome (2124554212).

The spelling of 1024140011 in words is "one billion, twenty-four million, one hundred forty thousand, eleven".

Divisors: 1 47 21790213 1024140011