Base | Representation |
---|---|
bin | 10010110000011101… |
… | …11000011011000001 |
3 | 221222210220201120012 |
4 | 21120032320123001 |
5 | 131110434340341 |
6 | 4343131554305 |
7 | 504356356145 |
oct | 113016703301 |
9 | 27883821505 |
10 | 10070230721 |
11 | 42a8423431 |
12 | 1b505bb995 |
13 | c4640a005 |
14 | 6b7605225 |
15 | 3de1320eb |
hex | 2583b86c1 |
10070230721 has 6 divisors (see below), whose sum is σ = 10697442630. Its totient is φ = 9477863936.
The previous prime is 10070230699. The next prime is 10070230739. The reversal of 10070230721 is 12703207001.
It can be written as a sum of positive squares in 3 ways, for example, as 1488802225 + 8581428496 = 38585^2 + 92636^2 .
It is not a de Polignac number, because 10070230721 - 214 = 10070214337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10070230771) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17422256 + ... + 17422833.
It is an arithmetic number, because the mean of its divisors is an integer number (1782907105).
Almost surely, 210070230721 is an apocalyptic number.
It is an amenable number.
10070230721 is a deficient number, since it is larger than the sum of its proper divisors (627211909).
10070230721 is an equidigital number, since it uses as much as digits as its factorization.
10070230721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34845123 (or 34845106 counting only the distinct ones).
The product of its (nonzero) digits is 588, while the sum is 23.
Adding to 10070230721 its reverse (12703207001), we get a palindrome (22773437722).
The spelling of 10070230721 in words is "ten billion, seventy million, two hundred thirty thousand, seven hundred twenty-one".
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