[go: up one dir, main page]

Search a number
-
+
131020126 = 2636710289
BaseRepresentation
bin1111100111100…
…11010101011110
3100010112111211021
413303303111132
5232020121001
621000114354
73150436606
oct763632536
9303474737
10131020126
1167a593a6
1237a659ba
13211b4c03
1413587c06
15b780ba1
hex7cf355e

131020126 has 8 divisors (see below), whose sum is σ = 196580160. Its totient is φ = 65493408.

The previous prime is 131020117. The next prime is 131020151. The reversal of 131020126 is 621020131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7590 + ... + 17878.

It is an arithmetic number, because the mean of its divisors is an integer number (24572520).

Almost surely, 2131020126 is an apocalyptic number.

131020126 is a deficient number, since it is larger than the sum of its proper divisors (65560034).

131020126 is a wasteful number, since it uses less digits than its factorization.

131020126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16658.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131020126 is about 11446.4023168854. The cubic root of 131020126 is about 507.9013153833.

Adding to 131020126 its reverse (621020131), we get a palindrome (752040257).

The spelling of 131020126 in words is "one hundred thirty-one million, twenty thousand, one hundred twenty-six".

Divisors: 1 2 6367 10289 12734 20578 65510063 131020126