Base | Representation |
---|---|
bin | 1001011010110011100010… |
… | …11100011011101100110100 |
3 | 2201100001220022100210001011 |
4 | 10231121301130123230310 |
5 | 10203322124302031322 |
6 | 112015023014242004 |
7 | 4235260335405631 |
oct | 455316134335464 |
9 | 81301808323034 |
10 | 20712235580212 |
11 | 66660120221a0 |
12 | 23a6205956304 |
13 | b73203649667 |
14 | 518698585188 |
15 | 25db8d1e5677 |
hex | 12d67171bb34 |
20712235580212 has 48 divisors (see below), whose sum is σ = 41869595718720. Its totient is φ = 8860408793600.
The previous prime is 20712235580173. The next prime is 20712235580243. The reversal of 20712235580212 is 21208553221702.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14589114 + ... + 15945742.
It is an arithmetic number, because the mean of its divisors is an integer number (872283244140).
Almost surely, 220712235580212 is an apocalyptic number.
20712235580212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20712235580212 is an abundant number, since it is smaller than the sum of its proper divisors (21157360138508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20712235580212 is a wasteful number, since it uses less digits than its factorization.
20712235580212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1377072 (or 1377070 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 40.
The spelling of 20712235580212 in words is "twenty trillion, seven hundred twelve billion, two hundred thirty-five million, five hundred eighty thousand, two hundred twelve".
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