Search a number
-
+
2125405163 = 72571181437
BaseRepresentation
bin111111010101111…
…0001101111101011
312111010022202202202
41332223301233223
513323100431123
6550522450415
7103445434340
oct17653615753
95433282682
102125405163
119a08103a2
124b3963a0b
1327b4445bb
141623c07c7
15c68d4a28
hex7eaf1beb

2125405163 has 8 divisors (see below), whose sum is σ = 2438488032. Its totient is φ = 1814685696.

The previous prime is 2125405141. The next prime is 2125405169. The reversal of 2125405163 is 3615045212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2125405163 - 216 = 2125339627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125405169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588920 + ... + 592517.

It is an arithmetic number, because the mean of its divisors is an integer number (304811004).

Almost surely, 22125405163 is an apocalyptic number.

2125405163 is a deficient number, since it is larger than the sum of its proper divisors (313082869).

2125405163 is a wasteful number, since it uses less digits than its factorization.

2125405163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181701.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2125405163 is about 46102.1166867640. The cubic root of 2125405163 is about 1285.7224990122.

The spelling of 2125405163 in words is "two billion, one hundred twenty-five million, four hundred five thousand, one hundred sixty-three".

Divisors: 1 7 257 1799 1181437 8270059 303629309 2125405163