Base | Representation |
---|---|
bin | 1011100011110101… |
… | …1101111001110101 |
3 | 22000021001212202220 |
4 | 2320331131321311 |
5 | 22323344333023 |
6 | 1231530352553 |
7 | 136620044016 |
oct | 27075357165 |
9 | 8007055686 |
10 | 3103121013 |
11 | 13526a3823 |
12 | 72728b759 |
13 | 3a5b7b7a5 |
14 | 2161ab00d |
15 | 1326633e3 |
hex | b8f5de75 |
3103121013 has 16 divisors (see below), whose sum is σ = 4202612160. Its totient is φ = 2036238336.
The previous prime is 3103121003. The next prime is 3103121051. The reversal of 3103121013 is 3101213013.
It is not a de Polignac number, because 3103121013 - 26 = 3103120949 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3103120983 and 3103121001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3103121003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277731 + ... + 288687.
It is an arithmetic number, because the mean of its divisors is an integer number (262663260).
Almost surely, 23103121013 is an apocalyptic number.
It is an amenable number.
3103121013 is a deficient number, since it is larger than the sum of its proper divisors (1099491147).
3103121013 is a wasteful number, since it uses less digits than its factorization.
3103121013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12436.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 3103121013 is about 55705.6641015974. The cubic root of 3103121013 is about 1458.5888994704.
Adding to 3103121013 its reverse (3101213013), we get a palindrome (6204334026).
The spelling of 3103121013 in words is "three billion, one hundred three million, one hundred twenty-one thousand, thirteen".
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