Base | Representation |
---|---|
bin | 1001011010110100001111… |
… | …00010101001111001110000 |
3 | 2201100002212010221210201001 |
4 | 10231122013202221321300 |
5 | 10203323404203410000 |
6 | 112015123500251344 |
7 | 4235302456511533 |
oct | 455320742517160 |
9 | 81302763853631 |
10 | 20712606310000 |
11 | 6666192315a50 |
12 | 23a62a9b40b54 |
13 | b732623b01b7 |
14 | 5186d18caa1a |
15 | 25dbb0a2646a |
hex | 12d6878a9e70 |
20712606310000 has 400 divisors, whose sum is σ = 55949490432000. Its totient is φ = 7362576000000.
The previous prime is 20712606309851. The next prime is 20712606310061. The reversal of 20712606310000 is 1360621702.
It is a tau number, because it is divible by the number of its divisors (400).
It is a super-2 number, since 2×207126063100002 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 877678201 + ... + 877701799.
It is an arithmetic number, because the mean of its divisors is an integer number (139873726080).
Almost surely, 220712606310000 is an apocalyptic number.
20712606310000 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 20712606310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27974745216000).
20712606310000 is an abundant number, since it is smaller than the sum of its proper divisors (35236884122000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20712606310000 is a wasteful number, since it uses less digits than its factorization.
20712606310000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23818 (or 23797 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 28.
Adding to 20712606310000 its reverse (1360621702), we get a palindrome (20713966931702).
The spelling of 20712606310000 in words is "twenty trillion, seven hundred twelve billion, six hundred six million, three hundred ten thousand".
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