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2151530011 is a prime number
BaseRepresentation
bin1000000000111101…
…1011111000011011
312112221111001022201
42000033123320123
513401242430021
6553254431031
7104213463151
oct20017337033
95487431281
102151530011
11a04534384
12500662477
132839907a7
14165a613d1
15c8d45591
hex803dbe1b

2151530011 has 2 divisors, whose sum is σ = 2151530012. Its totient is φ = 2151530010.

The previous prime is 2151529997. The next prime is 2151530089. The reversal of 2151530011 is 1100351512.

2151530011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151530011 - 217 = 2151398939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151330011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075765005 + 1075765006.

It is an arithmetic number, because the mean of its divisors is an integer number (1075765006).

Almost surely, 22151530011 is an apocalyptic number.

2151530011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151530011 is an equidigital number, since it uses as much as digits as its factorization.

2151530011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 2151530011 is about 46384.5880762134. The cubic root of 2151530011 is about 1290.9689675209.

Adding to 2151530011 its reverse (1100351512), we get a palindrome (3251881523).

The spelling of 2151530011 in words is "two billion, one hundred fifty-one million, five hundred thirty thousand, eleven".