Base | Representation |
---|---|
bin | 10010101000101100… |
… | …001010110010101100 |
3 | 1220122112101100010022 |
4 | 102220230022302230 |
5 | 311440031120022 |
6 | 13105324101312 |
7 | 1305603235523 |
oct | 225054126254 |
9 | 56575340108 |
10 | 20010020012 |
11 | 8539153224 |
12 | 3a65394838 |
13 | 1b6b7a5638 |
14 | d7b7734ba |
15 | 7c1a99c42 |
hex | 4a8b0acac |
20010020012 has 12 divisors (see below), whose sum is σ = 36860563320. Its totient is φ = 9478430496.
The previous prime is 20010020003. The next prime is 20010020053. The reversal of 20010020012 is 21002001002.
It is a super-3 number, since 3×200100200123 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131644793 + ... + 131644944.
It is an arithmetic number, because the mean of its divisors is an integer number (3071713610).
Almost surely, 220010020012 is an apocalyptic number.
It is an amenable number.
20010020012 is a deficient number, since it is larger than the sum of its proper divisors (16850543308).
20010020012 is a wasteful number, since it uses less digits than its factorization.
20010020012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263289760 (or 263289758 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
Adding to 20010020012 its reverse (21002001002), we get a palindrome (41012021014).
The spelling of 20010020012 in words is "twenty billion, ten million, twenty thousand, twelve".
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