Search a number
-
+
196288872025 = 52886092
BaseRepresentation
bin1011011011001110111…
…0100111111001011001
3200202122201010211222011
42312303232213321121
511203444422401100
6230101315425521
720116135611631
oct2666356477131
9622581124864
10196288872025
1176277a50894
12320608b52a1
131568250046c
1497012856c1
15518c760bba
hex2db3ba7e59

196288872025 has 9 divisors (see below), whose sum is σ = 243400948221. Its totient is φ = 157029325440.

The previous prime is 196288871887. The next prime is 196288872041. The reversal of 196288872025 is 520278882691.

The square root of 196288872025 is 443045.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 46615832649 + 149673039376 = 215907^2 + 386876^2 .

It is not a de Polignac number, because 196288872025 - 219 = 196288347737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2170921 + ... + 2259529.

Almost surely, 2196288872025 is an apocalyptic number.

196288872025 is the 443045-th square number.

196288872025 is the 221523-rd centered octagonal number.

It is an amenable number.

196288872025 is a deficient number, since it is larger than the sum of its proper divisors (47112076196).

196288872025 is an frugal number, since it uses more digits than its factorization.

196288872025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177228 (or 88614 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 196288872025 in words is "one hundred ninety-six billion, two hundred eighty-eight million, eight hundred seventy-two thousand, twenty-five".

Divisors: 1 5 25 88609 443045 2215225 7851554881 39257774405 196288872025