Base | Representation |
---|---|
bin | 111101011100000111… |
… | …1011111111001100011 |
3 | 110121120010120000000101 |
4 | 1322320033133321203 |
5 | 4130203130330233 |
6 | 140340142003231 |
7 | 12350412153541 |
oct | 1727017377143 |
9 | 417503500011 |
10 | 131940089443 |
11 | 50a56817038 |
12 | 216a2576517 |
13 | c598b03856 |
14 | 655900ad91 |
15 | 367333ec7d |
hex | 1eb83dfe63 |
131940089443 has 4 divisors (see below), whose sum is σ = 133107700968. Its totient is φ = 130772477920.
The previous prime is 131940089441. The next prime is 131940089471. The reversal of 131940089443 is 344980049131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344980049131 = 4003 ⋅86180377.
It is a cyclic number.
It is not a de Polignac number, because 131940089443 - 21 = 131940089441 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131940089393 and 131940089402.
It is not an unprimeable number, because it can be changed into a prime (131940089441) 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, 583805593 + ... + 583805818.
It is an arithmetic number, because the mean of its divisors is an integer number (33276925242).
Almost surely, 2131940089443 is an apocalyptic number.
131940089443 is a deficient number, since it is larger than the sum of its proper divisors (1167611525).
131940089443 is a wasteful number, since it uses less digits than its factorization.
131940089443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1167611524.
The product of its (nonzero) digits is 373248, while the sum is 46.
The spelling of 131940089443 in words is "one hundred thirty-one billion, nine hundred forty million, eighty-nine thousand, four hundred forty-three".
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