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3838688687 = 67203928099
BaseRepresentation
bin1110010011001101…
…1011110110101111
3100220112011120221002
43210303123312233
530330201014222
61432524230515
7164061213131
oct34463336657
910815146832
103838688687
11169a926699
128b169b43b
13492392132
14285b63051
1517700e392
hexe4cdbdaf

3838688687 has 8 divisors (see below), whose sum is σ = 3898032000. Its totient is φ = 3779405784.

The previous prime is 3838688683. The next prime is 3838688699. The reversal of 3838688687 is 7868868383.

3838688687 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3838688687 - 22 = 3838688683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838688681) 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, 122564 + ... + 150662.

It is an arithmetic number, because the mean of its divisors is an integer number (487254000).

Almost surely, 23838688687 is an apocalyptic number.

3838688687 is a deficient number, since it is larger than the sum of its proper divisors (59343313).

3838688687 is a wasteful number, since it uses less digits than its factorization.

3838688687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30205.

The product of its digits is 74317824, while the sum is 65.

The square root of 3838688687 is about 61957.1520246049. The cubic root of 3838688687 is about 1565.7687855891.

The spelling of 3838688687 in words is "three billion, eight hundred thirty-eight million, six hundred eighty-eight thousand, six hundred eighty-seven".

Divisors: 1 67 2039 28099 136613 1882633 57293861 3838688687