Search a number
-
+
131433430153 = 373552254869
BaseRepresentation
bin111101001101000001…
…0101111110010001001
3110120020211012001010111
41322122002233302021
54123133424231103
6140214002314321
712332020503004
oct1723202576211
9416224161114
10131433430153
1150816821453
12215809589a1
13c517b5965c
14650ba0053b
153643b0d86d
hex1e9a0afc89

131433430153 has 4 divisors (see below), whose sum is σ = 134985685060. Its totient is φ = 127881175248.

The previous prime is 131433430147. The next prime is 131433430169. The reversal of 131433430153 is 351034334131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55878813769 + 75554616384 = 236387^2 + 274872^2 .

It is a cyclic number.

It is not a de Polignac number, because 131433430153 - 225 = 131399875721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131433430133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776127398 + ... + 1776127471.

It is an arithmetic number, because the mean of its divisors is an integer number (33746421265).

Almost surely, 2131433430153 is an apocalyptic number.

It is an amenable number.

131433430153 is a deficient number, since it is larger than the sum of its proper divisors (3552254907).

131433430153 is an equidigital number, since it uses as much as digits as its factorization.

131433430153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552254906.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 131433430153 its reverse (351034334131), we get a palindrome (482467764284).

The spelling of 131433430153 in words is "one hundred thirty-one billion, four hundred thirty-three million, four hundred thirty thousand, one hundred fifty-three".

Divisors: 1 37 3552254869 131433430153