Base | Representation |
---|---|
bin | 10000000011110… |
… | …00010110011001 |
3 | 100101111000022111 |
4 | 20001320112121 |
5 | 233441220211 |
6 | 21211152321 |
7 | 3224010340 |
oct | 1001702631 |
9 | 311430274 |
10 | 134710681 |
11 | 6a04a146 |
12 | 391456a1 |
13 | 21ba7981 |
14 | 13c68b57 |
15 | bc5e421 |
hex | 8078599 |
134710681 has 4 divisors (see below), whose sum is σ = 153955072. Its totient is φ = 115466292.
The previous prime is 134710663. The next prime is 134710687. The reversal of 134710681 is 186017431.
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, and also an emirpimes, since its reverse is a distinct semiprime: 186017431 = 1019 ⋅182549.
It is a cyclic number.
It is not a de Polignac number, because 134710681 - 25 = 134710649 is a prime.
It is a super-3 number, since 3×1347106813 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (134710687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9622185 + ... + 9622198.
It is an arithmetic number, because the mean of its divisors is an integer number (38488768).
Almost surely, 2134710681 is an apocalyptic number.
It is an amenable number.
134710681 is a deficient number, since it is larger than the sum of its proper divisors (19244391).
134710681 is an equidigital number, since it uses as much as digits as its factorization.
134710681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19244390.
The product of its (nonzero) digits is 4032, while the sum is 31.
The square root of 134710681 is about 11606.4930534593. The cubic root of 134710681 is about 512.6260563212.
The spelling of 134710681 in words is "one hundred thirty-four million, seven hundred ten thousand, six hundred eighty-one".
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