Base | Representation |
---|---|
bin | 111101001101011100… |
… | …0001111010110001111 |
3 | 110120021210120110221211 |
4 | 1322122320033112033 |
5 | 4123201021444241 |
6 | 140215223035251 |
7 | 12332250626104 |
oct | 1723270172617 |
9 | 416253513854 |
10 | 131447453071 |
11 | 5082372a040 |
12 | 2158559bb27 |
13 | c51aa2933c |
14 | 650d810aab |
15 | 3644e7d781 |
hex | 1e9ae0f58f |
131447453071 has 4 divisors (see below), whose sum is σ = 143397221544. Its totient is φ = 119497684600.
The previous prime is 131447453063. The next prime is 131447453089. The reversal of 131447453071 is 170354744131.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131447453071 - 23 = 131447453063 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 (131447453041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5974884220 + ... + 5974884241.
It is an arithmetic number, because the mean of its divisors is an integer number (35849305386).
Almost surely, 2131447453071 is an apocalyptic number.
131447453071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
131447453071 is a deficient number, since it is larger than the sum of its proper divisors (11949768473).
131447453071 is a wasteful number, since it uses less digits than its factorization.
131447453071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11949768472.
The product of its (nonzero) digits is 141120, while the sum is 40.
The spelling of 131447453071 in words is "one hundred thirty-one billion, four hundred forty-seven million, four hundred fifty-three thousand, seventy-one".
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