Base | Representation |
---|---|
bin | 10011000001111110… |
… | …101011010110011000 |
3 | 1221202002202010002100 |
4 | 103001332223112120 |
5 | 313322140133420 |
6 | 13215402003400 |
7 | 1322244463353 |
oct | 230176532630 |
9 | 57662663070 |
10 | 20434302360 |
11 | 87366a389a |
12 | 3b634a6560 |
13 | 1c08669594 |
14 | dbbc5929a |
15 | 7e8e58190 |
hex | 4c1fab598 |
20434302360 has 96 divisors (see below), whose sum is σ = 66577567680. Its totient is φ = 5435520000.
The previous prime is 20434302349. The next prime is 20434302373. The reversal of 20434302360 is 6320343402.
It is a happy number.
20434302360 is a `hidden beast` number, since 204 + 3 + 430 + 23 + 6 + 0 = 666.
It is a super-3 number, since 3×204343023603 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73585 + ... + 215135.
It is an arithmetic number, because the mean of its divisors is an integer number (693516330).
Almost surely, 220434302360 is an apocalyptic number.
20434302360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20434302360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33288783840).
20434302360 is an abundant number, since it is smaller than the sum of its proper divisors (46143265320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20434302360 is a wasteful number, since it uses less digits than its factorization.
20434302360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141969 (or 141962 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 20434302360 its reverse (6320343402), we get a palindrome (26754645762).
The spelling of 20434302360 in words is "twenty billion, four hundred thirty-four million, three hundred two thousand, three hundred sixty".
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