Search a number
-
+
131142130401301 = 157278338661563
BaseRepresentation
bin11101110100010111101000…
…000110010000000000010101
3122012100001202112212012011221
4131310113220012100000111
5114142113040340320201
61142525510224130341
736423464150013355
oct3564275006200025
9565301675765157
10131142130401301
113887107981a298
12128602821669b1
13582385a8b63a6
142455454b54b65
151026493aa14a1
hex7745e8190015

131142130401301 has 4 divisors (see below), whose sum is σ = 131150469078592. Its totient is φ = 131133791724012.

The previous prime is 131142130401259. The next prime is 131142130401349. The reversal of 131142130401301 is 103104031241131.

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 131142130401301 - 211 = 131142130399253 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 (131142130401371) 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, 4169315055 + ... + 4169346508.

It is an arithmetic number, because the mean of its divisors is an integer number (32787617269648).

Almost surely, 2131142130401301 is an apocalyptic number.

It is an amenable number.

131142130401301 is a deficient number, since it is larger than the sum of its proper divisors (8338677291).

131142130401301 is an equidigital number, since it uses as much as digits as its factorization.

131142130401301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338677290.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 131142130401301 its reverse (103104031241131), we get a palindrome (234246161642432).

The spelling of 131142130401301 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred thirty million, four hundred one thousand, three hundred one".

Divisors: 1 15727 8338661563 131142130401301