Base | Representation |
---|---|
bin | 10001011101001110110001… |
… | …00000001011111100111000 |
3 | 12000220211111122121010211020 |
4 | 20232213120200023330320 |
5 | 20012421110242244233 |
6 | 213351031411302440 |
7 | 11041265233023333 |
oct | 1056473040137470 |
9 | 160824448533736 |
10 | 38387755040568 |
11 | 11260178a543aa |
12 | 437b9795aaa20 |
13 | 1855c468408cb |
14 | 969d9784761a |
15 | 46884862b9b3 |
hex | 22e9d880bf38 |
38387755040568 has 128 divisors (see below), whose sum is σ = 101189928222720. Its totient is φ = 12117641028480.
The previous prime is 38387755040533. The next prime is 38387755040623. The reversal of 38387755040568 is 86504055778383.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215418721 + ... + 215596847.
It is an arithmetic number, because the mean of its divisors is an integer number (790546314240).
Almost surely, 238387755040568 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38387755040568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50594964111360).
38387755040568 is an abundant number, since it is smaller than the sum of its proper divisors (62802173182152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38387755040568 is a wasteful number, since it uses less digits than its factorization.
38387755040568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184377 (or 184373 counting only the distinct ones).
The product of its (nonzero) digits is 677376000, while the sum is 69.
The spelling of 38387755040568 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-five million, forty thousand, five hundred sixty-eight".
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