Base | Representation |
---|---|
bin | 11101110100011000100011… |
… | …111011111010001100001110 |
3 | 122012100011100111220201111111 |
4 | 131310120203323322030032 |
5 | 114142122114341322340 |
6 | 1142530154005442234 |
7 | 36423531060141223 |
oct | 3564304373721416 |
9 | 565304314821444 |
10 | 131143134323470 |
11 | 38871544481935 |
12 | 1286050241037a |
13 | 582398a897889 |
14 | 245550c20394a |
15 | 1026501ca9aea |
hex | 774623efa30e |
131143134323470 has 32 divisors (see below), whose sum is σ = 236323200468960. Its totient is φ = 52398250961280.
The previous prime is 131143134323449. The next prime is 131143134323471. The reversal of 131143134323470 is 74323431341131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131143134323471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102415936 + ... + 103688524.
It is an arithmetic number, because the mean of its divisors is an integer number (7385100014655).
Almost surely, 2131143134323470 is an apocalyptic number.
131143134323470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131143134323470 is a deficient number, since it is larger than the sum of its proper divisors (105180066145490).
131143134323470 is a wasteful number, since it uses less digits than its factorization.
131143134323470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1284180.
The product of its (nonzero) digits is 217728, while the sum is 40.
The spelling of 131143134323470 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred twenty-three thousand, four hundred seventy".
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