Base | Representation |
---|---|
bin | 100100001101101100… |
… | …011111111111000100 |
3 | 10201100220222222122002 |
4 | 210031230133333010 |
5 | 1114113411143240 |
6 | 25510245124432 |
7 | 2544410403542 |
oct | 441554377704 |
9 | 121326888562 |
10 | 38884474820 |
11 | 155442aa504 |
12 | 76523b9718 |
13 | 3888c271a9 |
14 | 1c4c38ad92 |
15 | 1028ad5d15 |
hex | 90db1ffc4 |
38884474820 has 24 divisors (see below), whose sum is σ = 85207719744. Its totient is φ = 14877538016.
The previous prime is 38884474813. The next prime is 38884474823. The reversal of 38884474820 is 2847448883.
It is not an unprimeable number, because it can be changed into a prime (38884474823) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42265274 + ... + 42266193.
It is an arithmetic number, because the mean of its divisors is an integer number (3550321656).
Almost surely, 238884474820 is an apocalyptic number.
It is an amenable number.
38884474820 is an abundant number, since it is smaller than the sum of its proper divisors (46323244924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38884474820 is a wasteful number, since it uses less digits than its factorization.
38884474820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84531499 (or 84531497 counting only the distinct ones).
The product of its (nonzero) digits is 11010048, while the sum is 56.
The spelling of 38884474820 in words is "thirty-eight billion, eight hundred eighty-four million, four hundred seventy-four thousand, eight hundred twenty".
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