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4138620886 = 22069310443
BaseRepresentation
bin1111011010101110…
…0101011111010110
3101200102112201120001
43312223211133112
531433441332021
61522401001514
7204362461051
oct36653453726
911612481501
104138620886
111834164144
1297602329a
1350c5680ca
142b3919a98
15193508091
hexf6ae57d6

4138620886 has 4 divisors (see below), whose sum is σ = 6207931332. Its totient is φ = 2069310442.

The previous prime is 4138620877. The next prime is 4138620917. The reversal of 4138620886 is 6880268314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6880268314 = 23440134157.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034655220 + ... + 1034655223.

It is an arithmetic number, because the mean of its divisors is an integer number (1551982833).

Almost surely, 24138620886 is an apocalyptic number.

4138620886 is a deficient number, since it is larger than the sum of its proper divisors (2069310446).

4138620886 is a wasteful number, since it uses less digits than its factorization.

4138620886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069310445.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 4138620886 is about 64332.1139556287. The cubic root of 4138620886 is about 1605.5304562892.

The spelling of 4138620886 in words is "four billion, one hundred thirty-eight million, six hundred twenty thousand, eight hundred eighty-six".

Divisors: 1 2 2069310443 4138620886