Base | Representation |
---|---|
bin | 10011010110000000… |
… | …010111000111010011 |
3 | 1222121111221221212000 |
4 | 103112000113013103 |
5 | 320014143204313 |
6 | 13313003205043 |
7 | 1333464351516 |
oct | 232600270723 |
9 | 58544857760 |
10 | 20770288083 |
11 | 8899316946 |
12 | 4037b16783 |
13 | 1c601569bc |
14 | 1010718d7d |
15 | 8186c4673 |
hex | 4d60171d3 |
20770288083 has 48 divisors (see below), whose sum is σ = 33469660800. Its totient is φ = 12694611600.
The previous prime is 20770288073. The next prime is 20770288111. The reversal of 20770288083 is 38088207702.
It is not a de Polignac number, because 20770288083 - 25 = 20770288051 is a prime.
It is a super-4 number, since 4×207702880834 (a number of 42 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (20770288003) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 471928 + ... + 514058.
It is an arithmetic number, because the mean of its divisors is an integer number (697284600).
Almost surely, 220770288083 is an apocalyptic number.
20770288083 is a deficient number, since it is larger than the sum of its proper divisors (12699372717).
20770288083 is a wasteful number, since it uses less digits than its factorization.
20770288083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42221 (or 42184 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 45.
The spelling of 20770288083 in words is "twenty billion, seven hundred seventy million, two hundred eighty-eight thousand, eighty-three".
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