Base | Representation |
---|---|
bin | 1100010010000… |
… | …00100101110101 |
3 | 21011212012202020 |
4 | 12021000211311 |
5 | 202333300023 |
6 | 14120103353 |
7 | 2360461320 |
oct | 611004565 |
9 | 234765666 |
10 | 103025013 |
11 | 53178243 |
12 | 2a604b59 |
13 | 18462660 |
14 | d97b7b7 |
15 | 90a0de3 |
hex | 6240975 |
103025013 has 32 divisors (see below), whose sum is σ = 169881600. Its totient is φ = 54081216.
The previous prime is 103025009. The next prime is 103025017. The reversal of 103025013 is 310520301.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (103025009) and next prime (103025017).
It is not a de Polignac number, because 103025013 - 22 = 103025009 is a prime.
It is a super-2 number, since 2×1030250132 = 21228306607300338, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 103024983 and 103025001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103025017) 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 31 ways as a sum of consecutive naturals, for example, 64458 + ... + 66036.
It is an arithmetic number, because the mean of its divisors is an integer number (5308800).
Almost surely, 2103025013 is an apocalyptic number.
103025013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
103025013 is a deficient number, since it is larger than the sum of its proper divisors (66856587).
103025013 is a wasteful number, since it uses less digits than its factorization.
103025013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1841.
The product of its (nonzero) digits is 90, while the sum is 15.
The square root of 103025013 is about 10150.1237923485. The cubic root of 103025013 is about 468.7927565621.
Adding to 103025013 its reverse (310520301), we get a palindrome (413545314).
The spelling of 103025013 in words is "one hundred three million, twenty-five thousand, thirteen".
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