Base | Representation |
---|---|
bin | 100100000010000001… |
… | …001100100100001011 |
3 | 10200212021101011211022 |
4 | 210002001030210023 |
5 | 1113213233324312 |
6 | 25435010223055 |
7 | 2536511310350 |
oct | 440201144413 |
9 | 120767334738 |
10 | 38688573707 |
11 | 15453767063 |
12 | 75b8884a8b |
13 | 3857476784 |
14 | 1c30354627 |
15 | 10167db172 |
hex | 90204c90b |
38688573707 has 4 divisors (see below), whose sum is σ = 44215512816. Its totient is φ = 33161634600.
The previous prime is 38688573697. The next prime is 38688573713. The reversal of 38688573707 is 70737588683.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38688573707 - 24 = 38688573691 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38688573707.
It is not an unprimeable number, because it can be changed into a prime (38688573787) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763469544 + ... + 2763469557.
It is an arithmetic number, because the mean of its divisors is an integer number (11053878204).
Almost surely, 238688573707 is an apocalyptic number.
38688573707 is a deficient number, since it is larger than the sum of its proper divisors (5526939109).
38688573707 is an equidigital number, since it uses as much as digits as its factorization.
38688573707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5526939108.
The product of its (nonzero) digits is 47416320, while the sum is 62.
The spelling of 38688573707 in words is "thirty-eight billion, six hundred eighty-eight million, five hundred seventy-three thousand, seven hundred seven".
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