Base | Representation |
---|---|
bin | 111101011010000… |
… | …011011101111011 |
3 | 2122210120121202121 |
4 | 331122003131323 |
5 | 4102220140443 |
6 | 250121342111 |
7 | 34346616343 |
oct | 7532033573 |
9 | 2583517677 |
10 | 1030240123 |
11 | 4895a8720 |
12 | 249037937 |
13 | 135597553 |
14 | 9ab7dd23 |
15 | 606a64ed |
hex | 3d68377b |
1030240123 has 16 divisors (see below), whose sum is σ = 1150341120. Its totient is φ = 914752800.
The previous prime is 1030240111. The next prime is 1030240147. The reversal of 1030240123 is 3210420301.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1030240123 - 25 = 1030240091 is a prime.
It is a super-2 number, since 2×10302401232 = 2122789422078110258, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1030240097 and 1030240106.
It is not an unprimeable number, because it can be changed into a prime (1030240193) 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 15 ways as a sum of consecutive naturals, for example, 96838 + ... + 106948.
It is an arithmetic number, because the mean of its divisors is an integer number (71896320).
Almost surely, 21030240123 is an apocalyptic number.
1030240123 is a deficient number, since it is larger than the sum of its proper divisors (120100997).
1030240123 is a wasteful number, since it uses less digits than its factorization.
1030240123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10338.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1030240123 is about 32097.3538317413. The cubic root of 1030240123 is about 1009.9801071140.
Adding to 1030240123 its reverse (3210420301), we get a palindrome (4240660424).
The spelling of 1030240123 in words is "one billion, thirty million, two hundred forty thousand, one hundred twenty-three".
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