Base | Representation |
---|---|
bin | 10001101000100000011010… |
… | …10001000000000001010110 |
3 | 12002021212112110202120122210 |
4 | 20310100031101000001112 |
5 | 20040243040422334010 |
6 | 214245024121334250 |
7 | 11111262200664423 |
oct | 1064201521000126 |
9 | 162255473676583 |
10 | 38775187308630 |
11 | 1139a512406783 |
12 | 4422a83937386 |
13 | 188363b508c76 |
14 | 980a2c844d4a |
15 | 473971a0cb20 |
hex | 23440d440056 |
38775187308630 has 256 divisors, whose sum is σ = 98743845298176. Its totient is φ = 9735156787200.
The previous prime is 38775187308629. The next prime is 38775187308721. The reversal of 38775187308630 is 3680378157783.
It is a super-4 number, since 4×387751873086304 (a number of 55 digits) contains 4444 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 777391252 + ... + 777441128.
It is an arithmetic number, because the mean of its divisors is an integer number (385718145696).
Almost surely, 238775187308630 is an apocalyptic number.
38775187308630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 38775187308630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49371922649088).
38775187308630 is an abundant number, since it is smaller than the sum of its proper divisors (59968657989546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38775187308630 is a wasteful number, since it uses less digits than its factorization.
38775187308630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50191.
The product of its (nonzero) digits is 142248960, while the sum is 66.
The spelling of 38775187308630 in words is "thirty-eight trillion, seven hundred seventy-five billion, one hundred eighty-seven million, three hundred eight thousand, six hundred thirty".
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