Base | Representation |
---|---|
bin | 10010101111110101… |
… | …111001001110011010 |
3 | 1220221220011110110022 |
4 | 102233311321032122 |
5 | 312211240310020 |
6 | 13125251550442 |
7 | 1311561155555 |
oct | 225765711632 |
9 | 56856143408 |
10 | 20130010010 |
11 | 859a958510 |
12 | 3a995bb422 |
13 | 1b8a5c7b36 |
14 | d8d68969c |
15 | 7cc39c625 |
hex | 4afd7939a |
20130010010 has 32 divisors (see below), whose sum is σ = 39732869952. Its totient is φ = 7282068480.
The previous prime is 20130009989. The next prime is 20130010013. The reversal of 20130010010 is 1001003102.
It is a self number, because there is not a number n which added to its sum of digits gives 20130010010.
It is not an unprimeable number, because it can be changed into a prime (20130010013) 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, 452864 + ... + 495323.
It is an arithmetic number, because the mean of its divisors is an integer number (1241652186).
Almost surely, 220130010010 is an apocalyptic number.
20130010010 is a deficient number, since it is larger than the sum of its proper divisors (19602859942).
20130010010 is a wasteful number, since it uses less digits than its factorization.
20130010010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 948398.
The product of its (nonzero) digits is 6, while the sum is 8.
Adding to 20130010010 its reverse (1001003102), we get a palindrome (21131013112).
The spelling of 20130010010 in words is "twenty billion, one hundred thirty million, ten thousand, ten".
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