Base | Representation |
---|---|
bin | 10010101000101100… |
… | …011111010100110000 |
3 | 1220122112112121111010 |
4 | 102220230133110300 |
5 | 311440041312422 |
6 | 13105325550520 |
7 | 1305604035645 |
oct | 225054372460 |
9 | 56575477433 |
10 | 20010104112 |
11 | 8539200429 |
12 | 3a65415440 |
13 | 1b6b8049bb |
14 | d7b795dcc |
15 | 7c1ab4b0c |
hex | 4a8b1f530 |
20010104112 has 40 divisors (see below), whose sum is σ = 52792621056. Its totient is φ = 6528118336.
The previous prime is 20010104077. The next prime is 20010104123. The reversal of 20010104112 is 21140101002.
It is a happy number.
It is a super-3 number, since 3×200101041123 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4432608 + ... + 4437119.
Almost surely, 220010104112 is an apocalyptic number.
It is an amenable number.
20010104112 is an abundant number, since it is smaller than the sum of its proper divisors (32782516944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010104112 is a wasteful number, since it uses less digits than its factorization.
20010104112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8869785 (or 8869779 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 20010104112 its reverse (21140101002), we get a palindrome (41150205114).
The spelling of 20010104112 in words is "twenty billion, ten million, one hundred four thousand, one hundred twelve".
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