Base | Representation |
---|---|
bin | 10010101110101011… |
… | …010000011001110000 |
3 | 1220220112100102010121 |
4 | 102232223100121300 |
5 | 312141233203034 |
6 | 13123312340024 |
7 | 1311232645330 |
oct | 225653203160 |
9 | 56815312117 |
10 | 20110444144 |
11 | 858a90437a |
12 | 3a92b44614 |
13 | 1b865371bb |
14 | d8ac350c0 |
15 | 7ca7d51b4 |
hex | 4aead0670 |
20110444144 has 20 divisors (see below), whose sum is σ = 44530269424. Its totient is φ = 8618761728.
The previous prime is 20110444111. The next prime is 20110444163. The reversal of 20110444144 is 44144401102.
It is a congruent number.
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, 89778657 + ... + 89778880.
Almost surely, 220110444144 is an apocalyptic number.
It is an amenable number.
20110444144 is an abundant number, since it is smaller than the sum of its proper divisors (24419825280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20110444144 is a wasteful number, since it uses less digits than its factorization.
20110444144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179557552 (or 179557546 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 25.
Adding to 20110444144 its reverse (44144401102), we get a palindrome (64254845246).
The spelling of 20110444144 in words is "twenty billion, one hundred ten million, four hundred forty-four thousand, one hundred forty-four".
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