Base | Representation |
---|---|
bin | 1011100011110101… |
… | …1110011010110011 |
3 | 22000021001222200001 |
4 | 2320331132122303 |
5 | 22323344414443 |
6 | 1231530410431 |
7 | 136620053122 |
oct | 27075363263 |
9 | 8007058601 |
10 | 3103123123 |
11 | 13526a5371 |
12 | 727290a17 |
13 | 3a5b7c739 |
14 | 2161abab9 |
15 | 132663d4d |
hex | b8f5e6b3 |
3103123123 has 4 divisors (see below), whose sum is σ = 3111767280. Its totient is φ = 3094478968.
The previous prime is 3103123103. The next prime is 3103123139. The reversal of 3103123123 is 3213213013.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213213013 = 89 ⋅36103517.
It is a cyclic number.
It is not a de Polignac number, because 3103123123 - 217 = 3102992051 is a prime.
It is a super-3 number, since 3×31031231233 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3103123123.
It is not an unprimeable number, because it can be changed into a prime (3103123103) 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, 4321540 + ... + 4322257.
It is an arithmetic number, because the mean of its divisors is an integer number (777941820).
Almost surely, 23103123123 is an apocalyptic number.
3103123123 is a deficient number, since it is larger than the sum of its proper divisors (8644157).
3103123123 is an equidigital number, since it uses as much as digits as its factorization.
3103123123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8644156.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 3103123123 is about 55705.6830404224. The cubic root of 3103123123 is about 1458.5892300646.
Adding to 3103123123 its reverse (3213213013), we get a palindrome (6316336136).
The spelling of 3103123123 in words is "three billion, one hundred three million, one hundred twenty-three thousand, one hundred twenty-three".
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