Base | Representation |
---|---|
bin | 1001011010010000010110… |
… | …10010001010001010111110 |
3 | 2201021021010120021100011120 |
4 | 10231020023102022022332 |
5 | 10203014430441214013 |
6 | 112002220121531410 |
7 | 4234021204416540 |
oct | 455101322121276 |
9 | 81237116240146 |
10 | 20693341741758 |
11 | 6658aa6a36774 |
12 | 23a2612343b66 |
13 | b714b219c0aa |
14 | 5177c5163690 |
15 | 25d43462b123 |
hex | 12d20b48a2be |
20693341741758 has 384 divisors, whose sum is σ = 53283867033600. Its totient is φ = 5239963975680.
The previous prime is 20693341741747. The next prime is 20693341741783. The reversal of 20693341741758 is 85714714339602.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2338490518 + ... + 2338499366.
It is an arithmetic number, because the mean of its divisors is an integer number (138760070400).
It is a 1-persistent number, because it is pandigital, but 2⋅20693341741758 = 41386683483516 is not.
Almost surely, 220693341741758 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20693341741758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26641933516800).
20693341741758 is an abundant number, since it is smaller than the sum of its proper divisors (32590525291842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20693341741758 is a wasteful number, since it uses less digits than its factorization.
20693341741758 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9100 (or 9083 counting only the distinct ones).
The product of its (nonzero) digits is 30481920, while the sum is 60.
The spelling of 20693341741758 in words is "twenty trillion, six hundred ninety-three billion, three hundred forty-one million, seven hundred forty-one thousand, seven hundred fifty-eight".
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