Search a number
-
+
2125411187 is a prime number
BaseRepresentation
bin111111010101111…
…0011001101110011
312111010100002000212
41332223303031303
513323101124222
6550522534335
7103445461034
oct17653631563
95433302025
102125411187
119a0814979
124b39673ab
1327b447273
141623c2a8b
15c68d66e2
hex7eaf3373

2125411187 has 2 divisors, whose sum is σ = 2125411188. Its totient is φ = 2125411186.

The previous prime is 2125411147. The next prime is 2125411273. The reversal of 2125411187 is 7811145212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125411187 - 210 = 2125410163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2125411147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062705593 + 1062705594.

It is an arithmetic number, because the mean of its divisors is an integer number (1062705594).

Almost surely, 22125411187 is an apocalyptic number.

2125411187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125411187 is an equidigital number, since it uses as much as digits as its factorization.

2125411187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 32.

The square root of 2125411187 is about 46102.1820199435. The cubic root of 2125411187 is about 1285.7237137116.

Adding to 2125411187 its reverse (7811145212), we get a palindrome (9936556399).

The spelling of 2125411187 in words is "two billion, one hundred twenty-five million, four hundred eleven thousand, one hundred eighty-seven".