Base | Representation |
---|---|
bin | 10010110100101000… |
… | …010010101000011100 |
3 | 1221011111022010221221 |
4 | 102310220102220130 |
5 | 312342321031030 |
6 | 13141241303124 |
7 | 1313554654210 |
oct | 226450225034 |
9 | 57144263857 |
10 | 20210330140 |
11 | 8631228190 |
12 | 3b00494aa4 |
13 | 1ba113ab40 |
14 | d9a1d6940 |
15 | 7d4465e7a |
hex | 4b4a12a1c |
20210330140 has 96 divisors (see below), whose sum is σ = 56984707584. Its totient is φ = 5814754560.
The previous prime is 20210330117. The next prime is 20210330219. The reversal of 20210330140 is 4103301202.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484734 + ... + 524773.
It is an arithmetic number, because the mean of its divisors is an integer number (593590704).
Almost surely, 220210330140 is an apocalyptic number.
20210330140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20210330140 is an abundant number, since it is smaller than the sum of its proper divisors (36774377444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20210330140 is a wasteful number, since it uses less digits than its factorization.
20210330140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1009547 (or 1009545 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20210330140 its reverse (4103301202), we get a palindrome (24313631342).
The spelling of 20210330140 in words is "twenty billion, two hundred ten million, three hundred thirty thousand, one hundred forty".
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