Search a number
-
+
2129807467 is a prime number
BaseRepresentation
bin111111011110010…
…0100100001101011
312111102121102121001
41332330210201223
513330212314332
6551201055431
7103531031134
oct17674444153
95442542531
102129807467
119a3247967
124b5327577
1327c326308
14162c08c8b
15c6ea40e7
hex7ef2486b

2129807467 has 2 divisors, whose sum is σ = 2129807468. Its totient is φ = 2129807466.

The previous prime is 2129807461. The next prime is 2129807509. The reversal of 2129807467 is 7647089212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2129807467 - 219 = 2129283179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2129807461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064903733 + 1064903734.

It is an arithmetic number, because the mean of its divisors is an integer number (1064903734).

Almost surely, 22129807467 is an apocalyptic number.

2129807467 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129807467 is an equidigital number, since it uses as much as digits as its factorization.

2129807467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 2129807467 is about 46149.8371286400. The cubic root of 2129807467 is about 1286.6095828777.

The spelling of 2129807467 in words is "two billion, one hundred twenty-nine million, eight hundred seven thousand, four hundred sixty-seven".