Search a number
-
+
131717250133 = 718816750019
BaseRepresentation
bin111101010101011110…
…1011011110001010101
3110120222121020120221121
41322222331123301111
54124224104001013
6140302101443541
712342035103340
oct1725275336125
9416877216847
10131717250133
1150951a54617
122163ba105b1
13c5618b0981
1465375a1457
15365d9c358d
hex1eaaf5bc55

131717250133 has 4 divisors (see below), whose sum is σ = 150534000160. Its totient is φ = 112900500108.

The previous prime is 131717250097. The next prime is 131717250199. The reversal of 131717250133 is 331052717131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131717250133 - 29 = 131717249621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131717250233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9408375003 + ... + 9408375016.

It is an arithmetic number, because the mean of its divisors is an integer number (37633500040).

Almost surely, 2131717250133 is an apocalyptic number.

It is an amenable number.

131717250133 is a deficient number, since it is larger than the sum of its proper divisors (18816750027).

131717250133 is an equidigital number, since it uses as much as digits as its factorization.

131717250133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18816750026.

The product of its (nonzero) digits is 13230, while the sum is 34.

Adding to 131717250133 its reverse (331052717131), we get a palindrome (462769967264).

The spelling of 131717250133 in words is "one hundred thirty-one billion, seven hundred seventeen million, two hundred fifty thousand, one hundred thirty-three".

Divisors: 1 7 18816750019 131717250133