Base | Representation |
---|---|
bin | 111101001011010101… |
… | …0011011100011101101 |
3 | 110120002212111002012012 |
4 | 1322112222123203231 |
5 | 4123024420133310 |
6 | 140204215051005 |
7 | 12330431505356 |
oct | 1722652334355 |
9 | 416085432165 |
10 | 131376724205 |
11 | 50797810431 |
12 | 21565970a65 |
13 | c509193b3c |
14 | 650427cd2d |
15 | 363db5bc05 |
hex | 1e96a9b8ed |
131376724205 has 8 divisors (see below), whose sum is σ = 157842245400. Its totient is φ = 104974595136.
The previous prime is 131376724177. The next prime is 131376724229. The reversal of 131376724205 is 502427673131.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 168324676 + 131208399529 = 12974^2 + 362227^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131376724205 - 28 = 131376723949 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15843470 + ... + 15851759.
It is an arithmetic number, because the mean of its divisors is an integer number (19730280675).
Almost surely, 2131376724205 is an apocalyptic number.
It is an amenable number.
131376724205 is a deficient number, since it is larger than the sum of its proper divisors (26465521195).
131376724205 is an equidigital number, since it uses as much as digits as its factorization.
131376724205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31696063.
The product of its (nonzero) digits is 211680, while the sum is 41.
The spelling of 131376724205 in words is "one hundred thirty-one billion, three hundred seventy-six million, seven hundred twenty-four thousand, two hundred five".
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