Base | Representation |
---|---|
bin | 10010101000101100… |
… | …001000110101101010 |
3 | 1220122112100221010221 |
4 | 102220230020311222 |
5 | 311440030341020 |
6 | 13105324000254 |
7 | 1305603203302 |
oct | 225054106552 |
9 | 56575327127 |
10 | 20010012010 |
11 | 853914820a |
12 | 3a6539008a |
13 | 1b6b7a1ac1 |
14 | d7b770602 |
15 | 7c1a976aa |
hex | 4a8b08d6a |
20010012010 has 32 divisors (see below), whose sum is σ = 38151933120. Its totient is φ = 7530177792.
The previous prime is 20010012007. The next prime is 20010012017. The reversal of 20010012010 is 1021001002.
It is a junction number, because it is equal to n+sod(n) for n = 20010011984 and 20010012002.
It is not an unprimeable number, because it can be changed into a prime (20010012017) 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, 429897 + ... + 474163.
It is an arithmetic number, because the mean of its divisors is an integer number (1192247910).
Almost surely, 220010012010 is an apocalyptic number.
20010012010 is a deficient number, since it is larger than the sum of its proper divisors (18141921110).
20010012010 is a wasteful number, since it uses less digits than its factorization.
20010012010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46950.
The product of its (nonzero) digits is 4, while the sum is 7.
Adding to 20010012010 its reverse (1021001002), we get a palindrome (21031013012).
The spelling of 20010012010 in words is "twenty billion, ten million, twelve thousand, ten".
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