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38688573707 = 75526939101
BaseRepresentation
bin100100000010000001…
…001100100100001011
310200212021101011211022
4210002001030210023
51113213233324312
625435010223055
72536511310350
oct440201144413
9120767334738
1038688573707
1115453767063
1275b8884a8b
133857476784
141c30354627
1510167db172
hex90204c90b

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".

Divisors: 1 7 5526939101 38688573707