Base | Representation |
---|---|
bin | 1111101010100… |
… | …00000111000011 |
3 | 100011020211002112 |
4 | 13311100013003 |
5 | 232114301011 |
6 | 21012205535 |
7 | 3153611522 |
oct | 765200703 |
9 | 304224075 |
10 | 131400131 |
11 | 68198955 |
12 | 380098ab |
13 | 212b8b75 |
14 | 136464b9 |
15 | b80858b |
hex | 7d501c3 |
131400131 has 8 divisors (see below), whose sum is σ = 139093680. Its totient is φ = 123917472.
The previous prime is 131400119. The next prime is 131400167. The reversal of 131400131 is 131004131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131400131 is a prime.
It is a super-2 number, since 2×1314001312 = 34531988853634322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131400631) 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 7 ways as a sum of consecutive naturals, for example, 51440 + ... + 53933.
It is an arithmetic number, because the mean of its divisors is an integer number (17386710).
Almost surely, 2131400131 is an apocalyptic number.
131400131 is a deficient number, since it is larger than the sum of its proper divisors (7693549).
131400131 is a wasteful number, since it uses less digits than its factorization.
131400131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105445.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 131400131 is about 11462.9896187687. The cubic root of 131400131 is about 508.3918729561.
Adding to 131400131 its reverse (131004131), we get a palindrome (262404262).
The spelling of 131400131 in words is "one hundred thirty-one million, four hundred thousand, one hundred thirty-one".
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