Base | Representation |
---|---|
bin | 100011100101100011… |
… | …011001100001000100 |
3 | 10122121222201221101121 |
4 | 203211203121201010 |
5 | 1111224004003023 |
6 | 25315350203324 |
7 | 2521622100331 |
oct | 434543314104 |
9 | 118558657347 |
10 | 38211000388 |
11 | 15229128170 |
12 | 74a4953544 |
13 | 37ac544502 |
14 | 1bc6b59988 |
15 | ed9902d5d |
hex | 8e58d9844 |
38211000388 has 24 divisors (see below), whose sum is σ = 74644748640. Its totient is φ = 16964713920.
The previous prime is 38211000361. The next prime is 38211000391. The reversal of 38211000388 is 88300011283.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10096153 + ... + 10099936.
It is an arithmetic number, because the mean of its divisors is an integer number (3110197860).
Almost surely, 238211000388 is an apocalyptic number.
38211000388 is the 104487-th centered heptagonal number.
It is an amenable number.
38211000388 is a deficient number, since it is larger than the sum of its proper divisors (36433748252).
38211000388 is a wasteful number, since it uses less digits than its factorization.
38211000388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20196147 (or 20196145 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 34.
The spelling of 38211000388 in words is "thirty-eight billion, two hundred eleven million, three hundred eighty-eight", and thus it is an aban number.
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