Base | Representation |
---|---|
bin | 1011100111111010… |
… | …1110111011011001 |
3 | 22001110021010000222 |
4 | 2321332232323121 |
5 | 22342234330410 |
6 | 1233341205425 |
7 | 140215342526 |
oct | 27176567331 |
9 | 8043233028 |
10 | 3120230105 |
11 | 136131a073 |
12 | 730b60875 |
13 | 3a958c105 |
14 | 21858214d |
15 | 133de2955 |
hex | b9faeed9 |
3120230105 has 4 divisors (see below), whose sum is σ = 3744276132. Its totient is φ = 2496184080.
The previous prime is 3120230101. The next prime is 3120230153. The reversal of 3120230105 is 5010320213.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5010320213 = 191 ⋅26232043.
It can be written as a sum of positive squares in 2 ways, for example, as 376670464 + 2743559641 = 19408^2 + 52379^2 .
It is not a de Polignac number, because 3120230105 - 22 = 3120230101 is a prime.
It is a super-2 number, since 2×31202301052 = 19471671816296622050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3120230101) 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, 312023006 + ... + 312023015.
It is an arithmetic number, because the mean of its divisors is an integer number (936069033).
Almost surely, 23120230105 is an apocalyptic number.
It is an amenable number.
3120230105 is a deficient number, since it is larger than the sum of its proper divisors (624046027).
3120230105 is an equidigital number, since it uses as much as digits as its factorization.
3120230105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624046026.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 3120230105 is about 55859.0199072630. The cubic root of 3120230105 is about 1461.2646365826.
Adding to 3120230105 its reverse (5010320213), we get a palindrome (8130550318).
The spelling of 3120230105 in words is "three billion, one hundred twenty million, two hundred thirty thousand, one hundred five".
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