Base | Representation |
---|---|
bin | 100011101001101100… |
… | …111011101110110000 |
3 | 10122210211201102000210 |
4 | 203221230323232300 |
5 | 1111344313434223 |
6 | 25330314144120 |
7 | 2523425543100 |
oct | 435154735660 |
9 | 118724642023 |
10 | 38280608688 |
11 | 15264450993 |
12 | 7504122040 |
13 | 37c0aa695a |
14 | 1bd20b9200 |
15 | ee0aa2893 |
hex | 8e9b3bbb0 |
38280608688 has 60 divisors (see below), whose sum is σ = 115037142360. Its totient is φ = 10937316096.
The previous prime is 38280608669. The next prime is 38280608689. The reversal of 38280608688 is 88680608283.
It is not an unprimeable number, because it can be changed into a prime (38280608689) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8135533 + ... + 8140236.
It is an arithmetic number, because the mean of its divisors is an integer number (1917285706).
Almost surely, 238280608688 is an apocalyptic number.
It is an amenable number.
38280608688 is an abundant number, since it is smaller than the sum of its proper divisors (76756533672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38280608688 is a wasteful number, since it uses less digits than its factorization.
38280608688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16275794 (or 16275781 counting only the distinct ones).
The product of its (nonzero) digits is 7077888, while the sum is 57.
The spelling of 38280608688 in words is "thirty-eight billion, two hundred eighty million, six hundred eight thousand, six hundred eighty-eight".
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