Base | Representation |
---|---|
bin | 1001010000111011100001… |
… | …10000111101001111000000 |
3 | 2200010122001221120002220102 |
4 | 10220131300300331033000 |
5 | 10132242220433014343 |
6 | 111155105133501532 |
7 | 4201615664522510 |
oct | 450356060751700 |
9 | 80118057502812 |
10 | 20372921766848 |
11 | 6545120242052 |
12 | 23504aa3418a8 |
13 | b4a20997c3c1 |
14 | 5060aa055840 |
15 | 254e2e3e43b8 |
hex | 128770c3d3c0 |
20372921766848 has 112 divisors (see below), whose sum is σ = 46382605744128. Its totient is φ = 8697300480000.
The previous prime is 20372921766829. The next prime is 20372921766929. The reversal of 20372921766848 is 84866712927302.
It is a tau number, because it is divible by the number of its divisors (112).
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, 746766968 + ... + 746794248.
Almost surely, 220372921766848 is an apocalyptic number.
20372921766848 is a gapful number since it is divisible by the number (28) 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 20372921766848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23191302872064).
20372921766848 is an abundant number, since it is smaller than the sum of its proper divisors (26009683977280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20372921766848 is a wasteful number, since it uses less digits than its factorization.
20372921766848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33722 (or 33712 counting only the distinct ones).
The product of its (nonzero) digits is 97542144, while the sum is 65.
The spelling of 20372921766848 in words is "twenty trillion, three hundred seventy-two billion, nine hundred twenty-one million, seven hundred sixty-six thousand, eight hundred forty-eight".
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