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38788273873 = 177013254869
BaseRepresentation
bin100100000111111101…
…100001011011010001
310201010012222110202001
4210013331201123101
51113414244230443
625452531154001
72542131613366
oct440775413321
9121105873661
1038788273873
11154a4a73298
127626145901
13387201395b
141c3d6a846d
151020431d4d
hex907f616d1

38788273873 has 8 divisors (see below), whose sum is σ = 41128537320. Its totient is φ = 36454521600.

The previous prime is 38788273813. The next prime is 38788273879. The reversal of 38788273873 is 37837288783.

38788273873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27113903569 + 11674370304 = 164663^2 + 108048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38788273873 is a prime.

It is a super-4 number, since 4×387882738734 (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38788273879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615518 + ... + 1639351.

It is an arithmetic number, because the mean of its divisors is an integer number (5141067165).

Almost surely, 238788273873 is an apocalyptic number.

It is an amenable number.

38788273873 is a deficient number, since it is larger than the sum of its proper divisors (2340263447).

38788273873 is a wasteful number, since it uses less digits than its factorization.

38788273873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255587.

The product of its digits is 75866112, while the sum is 64.

The spelling of 38788273873 in words is "thirty-eight billion, seven hundred eighty-eight million, two hundred seventy-three thousand, eight hundred seventy-three".

Divisors: 1 17 701 11917 3254869 55332773 2281663169 38788273873