Base | Representation |
---|---|
bin | 1011111110111… |
… | …11110001110001 |
3 | 21000011112000222 |
4 | 11333133301301 |
5 | 201214000223 |
6 | 13550422425 |
7 | 2330334131 |
oct | 577376161 |
9 | 230145028 |
10 | 100531313 |
11 | 51824733 |
12 | 29801a15 |
13 | 17a9b5ac |
14 | d4ccac1 |
15 | 8c5c0c8 |
hex | 5fdfc71 |
100531313 has 4 divisors (see below), whose sum is σ = 103997940. Its totient is φ = 97064688.
The previous prime is 100531307. The next prime is 100531349. The reversal of 100531313 is 313135001.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 72726784 + 27804529 = 8528^2 + 5273^2 .
It is a cyclic number.
It is not a de Polignac number, because 100531313 - 214 = 100514929 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 100531291 and 100531300.
It is not an unprimeable number, because it can be changed into a prime (100531373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733270 + ... + 1733327.
It is an arithmetic number, because the mean of its divisors is an integer number (25999485).
Almost surely, 2100531313 is an apocalyptic number.
It is an amenable number.
100531313 is a deficient number, since it is larger than the sum of its proper divisors (3466627).
100531313 is an equidigital number, since it uses as much as digits as its factorization.
100531313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3466626.
The product of its (nonzero) digits is 135, while the sum is 17.
The square root of 100531313 is about 10026.5304567432. The cubic root of 100531313 is about 464.9794772613.
Adding to 100531313 its reverse (313135001), we get a palindrome (413666314).
The spelling of 100531313 in words is "one hundred million, five hundred thirty-one thousand, three hundred thirteen".
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