Base | Representation |
---|---|
bin | 1100010010110… |
… | …01000101000001 |
3 | 21012001022100001 |
4 | 12021121011001 |
5 | 202400002223 |
6 | 14122200001 |
7 | 2361356614 |
oct | 611310501 |
9 | 235038301 |
10 | 103125313 |
11 | 53236635 |
12 | 2a653001 |
13 | 184991c5 |
14 | d9a617b |
15 | 90c09ad |
hex | 6259141 |
103125313 has 4 divisors (see below), whose sum is σ = 106451968. Its totient is φ = 99798660.
The previous prime is 103125311. The next prime is 103125317. The reversal of 103125313 is 313521301.
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: 313521301 = 41 ⋅7646861.
It is a cyclic number.
It is not a de Polignac number, because 103125313 - 21 = 103125311 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103125311) 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, 1663281 + ... + 1663342.
It is an arithmetic number, because the mean of its divisors is an integer number (26612992).
Almost surely, 2103125313 is an apocalyptic number.
It is an amenable number.
103125313 is a deficient number, since it is larger than the sum of its proper divisors (3326655).
103125313 is an equidigital number, since it uses as much as digits as its factorization.
103125313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3326654.
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 103125313 is about 10155.0634168379. The cubic root of 103125313 is about 468.9448382803.
Adding to 103125313 its reverse (313521301), we get a palindrome (416646614).
It can be divided in two parts, 10312 and 5313, that added together give a 6-th power (15625 = 56).
The spelling of 103125313 in words is "one hundred three million, one hundred twenty-five thousand, three hundred thirteen".
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