Search a number
-
+
266164129 = 7211493811
BaseRepresentation
bin11111101110101…
…01011110100001
3200112211112112201
433313111132201
51021114223004
642224453201
76411233500
oct1767253641
9615745481
10266164129
11127274060
127517a201
13431b1b8a
14274c6837
15185786a4
hexfdd57a1

266164129 has 12 divisors (see below), whose sum is σ = 337767408. Its totient is φ = 207400200.

The previous prime is 266164069. The next prime is 266164159. The reversal of 266164129 is 921461662.

It is not a de Polignac number, because 266164129 - 221 = 264066977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266164159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246367 + ... + 247444.

It is an arithmetic number, because the mean of its divisors is an integer number (28147284).

Almost surely, 2266164129 is an apocalyptic number.

It is an amenable number.

266164129 is a deficient number, since it is larger than the sum of its proper divisors (71603279).

266164129 is a wasteful number, since it uses less digits than its factorization.

266164129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493836 (or 493829 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 266164129 is about 16314.5373516996. The cubic root of 266164129 is about 643.2550064972.

The spelling of 266164129 in words is "two hundred sixty-six million, one hundred sixty-four thousand, one hundred twenty-nine".

Divisors: 1 7 11 49 77 539 493811 3456677 5431921 24196739 38023447 266164129