Base | Representation |
---|---|
bin | 1111101010100… |
… | …00000110101010 |
3 | 100011020211001121 |
4 | 13311100012222 |
5 | 232114300411 |
6 | 21012205454 |
7 | 3153611455 |
oct | 765200652 |
9 | 304224047 |
10 | 131400106 |
11 | 68198932 |
12 | 3800988a |
13 | 212b8b56 |
14 | 1364649c |
15 | b808571 |
hex | 7d501aa |
131400106 has 8 divisors (see below), whose sum is σ = 208694340. Its totient is φ = 61835328.
The previous prime is 131400083. The next prime is 131400107. The reversal of 131400106 is 601004131.
It can be written as a sum of positive squares in 2 ways, for example, as 126360081 + 5040025 = 11241^2 + 2245^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1314001062 = 34531975713622472, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131400106.
It is not an unprimeable number, because it can be changed into a prime (131400107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1932321 + ... + 1932388.
Almost surely, 2131400106 is an apocalyptic number.
131400106 is a deficient number, since it is larger than the sum of its proper divisors (77294234).
131400106 is a wasteful number, since it uses less digits than its factorization.
131400106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3864728.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 131400106 is about 11462.9885283027. The cubic root of 131400106 is about 508.3918407142.
Adding to 131400106 its reverse (601004131), we get a palindrome (732404237).
The spelling of 131400106 in words is "one hundred thirty-one million, four hundred thousand, one hundred six".
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