Base | Representation |
---|---|
bin | 100100101010010… |
… | …0011000001010101 |
3 | 10011201200201122120 |
4 | 1021110203001111 |
5 | 10004402414333 |
6 | 322021450153 |
7 | 42324605463 |
oct | 11124430125 |
9 | 3151621576 |
10 | 1230123093 |
11 | 581410761 |
12 | 2a3b70959 |
13 | 167b104b4 |
14 | b9531833 |
15 | 72edadb3 |
hex | 49523055 |
1230123093 has 4 divisors (see below), whose sum is σ = 1640164128. Its totient is φ = 820082060.
The previous prime is 1230123071. The next prime is 1230123107. The reversal of 1230123093 is 3903210321.
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.
It is a cyclic number.
It is not a de Polignac number, because 1230123093 - 26 = 1230123029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230128093) 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, 205020513 + ... + 205020518.
It is an arithmetic number, because the mean of its divisors is an integer number (410041032).
Almost surely, 21230123093 is an apocalyptic number.
It is an amenable number.
1230123093 is a deficient number, since it is larger than the sum of its proper divisors (410041035).
1230123093 is an equidigital number, since it uses as much as digits as its factorization.
1230123093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410041034.
The product of its (nonzero) digits is 972, while the sum is 24.
The square root of 1230123093 is about 35073.1106832571. The cubic root of 1230123093 is about 1071.4770102113.
The spelling of 1230123093 in words is "one billion, two hundred thirty million, one hundred twenty-three thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •