Base | Representation |
---|---|
bin | 100100000010001000… |
… | …100011010010000000 |
3 | 10200212102000010121200 |
4 | 210002020203102000 |
5 | 1113214232024020 |
6 | 25435115421200 |
7 | 2536533560451 |
oct | 440210432200 |
9 | 120772003550 |
10 | 38690501760 |
11 | 15454863699 |
12 | 75b9454800 |
13 | 38579a0231 |
14 | 1c306d7128 |
15 | 1016a6c590 |
hex | 902223480 |
38690501760 has 96 divisors (see below), whose sum is σ = 133603158780. Its totient is φ = 10317465600.
The previous prime is 38690501749. The next prime is 38690501761. The reversal of 38690501760 is 6710509683.
It is a happy number.
38690501760 is a `hidden beast` number, since 3 + 86 + 9 + 0 + 501 + 7 + 60 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 38456778816 + 233722944 = 196104^2 + 15288^2 .
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (38690501761) 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, 3352791 + ... + 3364310.
Almost surely, 238690501760 is an apocalyptic number.
38690501760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38690501760 is an abundant number, since it is smaller than the sum of its proper divisors (94912657020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38690501760 is a wasteful number, since it uses less digits than its factorization.
38690501760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6717126 (or 6717111 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The spelling of 38690501760 in words is "thirty-eight billion, six hundred ninety million, five hundred one thousand, seven hundred sixty".
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