Base | Representation |
---|---|
bin | 10011001101000101… |
… | …01101110100110100 |
3 | 222121112200002002112 |
4 | 21212202231310310 |
5 | 132103414424340 |
6 | 4423025430152 |
7 | 513333125246 |
oct | 114642556464 |
9 | 28545602075 |
10 | 10310311220 |
11 | 44109a1470 |
12 | 1bb8a9b358 |
13 | c84088691 |
14 | 6db45c096 |
15 | 405257065 |
hex | 2668add34 |
10310311220 has 96 divisors (see below), whose sum is σ = 24592087296. Its totient is φ = 3597696000.
The previous prime is 10310311213. The next prime is 10310311229. The reversal of 10310311220 is 2211301301.
10310311220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 10310311195 and 10310311204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10310311229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 585545 + ... + 602895.
It is an arithmetic number, because the mean of its divisors is an integer number (256167576).
Almost surely, 210310311220 is an apocalyptic number.
10310311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10310311220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12296043648).
10310311220 is an abundant number, since it is smaller than the sum of its proper divisors (14281776076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10310311220 is a wasteful number, since it uses less digits than its factorization.
10310311220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17481 (or 17479 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 10310311220 its reverse (2211301301), we get a palindrome (12521612521).
The spelling of 10310311220 in words is "ten billion, three hundred ten million, three hundred eleven thousand, two hundred twenty".
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