Search a number
-
+
236025794123161 = 72653233612
BaseRepresentation
bin110101101010101000001001…
…100111011101010110011001
31010221200211211102001120221121
4311222220021213131112121
5221414021311243420121
62153552430345205241
7100500205130655400
oct6552501147352631
91127624742046847
10236025794123161
1169228a8266a309
122257b468a90821
13a1911a196a393
14423d9d07c2637
151c4488c589141
hexd6aa099dd599

236025794123161 has 27 divisors (see below), whose sum is σ = 275063561698653. Its totient is φ = 201937910065920.

The previous prime is 236025794123137. The next prime is 236025794123177. The reversal of 236025794123161 is 161321497520632.

The square root of 236025794123161 is 15363131.

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 94842441225 + 235930951681936 = 307965^2 + 15360044^2 .

It is not a de Polignac number, because 236025794123161 - 215 = 236025794090393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 236025794123099 and 236025794123108.

It is not an unprimeable number, because it can be changed into a prime (236025794123101) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 70224870121 + ... + 70224873481.

Almost surely, 2236025794123161 is an apocalyptic number.

236025794123161 is the 15363131-st square number.

236025794123161 is the 7681566-th centered octagonal number.

It is an amenable number.

236025794123161 is a deficient number, since it is larger than the sum of its proper divisors (39037767575492).

236025794123161 is an frugal number, since it uses more digits than its factorization.

236025794123161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 236025794123161 in words is "two hundred thirty-six trillion, twenty-five billion, seven hundred ninety-four million, one hundred twenty-three thousand, one hundred sixty-one".

Divisors: 1 7 49 653 3361 4571 23527 31997 164689 426409 2194733 2984863 11296321 15363131 20894041 79074247 107541917 553519729 1433160649 7376497613 10032124543 51635483291 70224871801 361448383037 4816852941289 33717970589023 236025794123161