Base | Representation |
---|---|
bin | 10010101011101011… |
… | …11101011001000000 |
3 | 221220000111001121021 |
4 | 21111311331121000 |
5 | 131020204034130 |
6 | 4335140435224 |
7 | 503361544351 |
oct | 112565753100 |
9 | 27800431537 |
10 | 10030143040 |
11 | 4287832a15 |
12 | 1b3b0a8b14 |
13 | c3b0125a8 |
14 | 6b216bd28 |
15 | 3da86437a |
hex | 255d7d640 |
10030143040 has 28 divisors (see below), whose sum is σ = 23884278876. Its totient is φ = 4012057088.
The previous prime is 10030143037. The next prime is 10030143041. The reversal of 10030143040 is 4034103001.
10030143040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 3198128704 + 6832014336 = 56552^2 + 82656^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is not an unprimeable number, because it can be changed into a prime (10030143041) 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 3 ways as a sum of consecutive naturals, for example, 15671779 + ... + 15672418.
Almost surely, 210030143040 is an apocalyptic number.
10030143040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10030143040 is an abundant number, since it is smaller than the sum of its proper divisors (13854135836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10030143040 is an equidigital number, since it uses as much as digits as its factorization.
10030143040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31344214 (or 31344204 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 10030143040 its reverse (4034103001), we get a palindrome (14064246041).
It can be divided in two parts, 100301 and 43040, that added together give a palindrome (143341).
The spelling of 10030143040 in words is "ten billion, thirty million, one hundred forty-three thousand, forty".
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