Base | Representation |
---|---|
bin | 10010101000001001… |
… | …110011000101011010 |
3 | 1220121220102120201112 |
4 | 102220021303011122 |
5 | 311430224310020 |
6 | 13104403020322 |
7 | 1305433531352 |
oct | 225011630532 |
9 | 56556376645 |
10 | 20001010010 |
11 | 8534059943 |
12 | 3a6236a6a2 |
13 | 1b6996c587 |
14 | d7a4a9b62 |
15 | 7c0dba2c5 |
hex | 4a827315a |
20001010010 has 32 divisors (see below), whose sum is σ = 36621187344. Its totient is φ = 7862976000.
The previous prime is 20001009953. The next prime is 20001010021. The reversal of 20001010010 is 1001010002.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 3933672961 + 16067337049 = 62719^2 + 126757^2 .
It is a Harshad number since it is a multiple of its sum of digits (5).
It is a junction number, because it is equal to n+sod(n) for n = 20001009976 and 20001010003.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793400 + ... + 818220.
Almost surely, 220001010010 is an apocalyptic number.
20001010010 is a deficient number, since it is larger than the sum of its proper divisors (16620177334).
20001010010 is a wasteful number, since it uses less digits than its factorization.
20001010010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26210.
The product of its (nonzero) digits is 2, while the sum is 5.
Adding to 20001010010 its reverse (1001010002), we get a palindrome (21002020012).
The spelling of 20001010010 in words is "twenty billion, one million, ten thousand, ten".
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