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39148421564 = 2271398157913
BaseRepresentation
bin100100011101011011…
…011000000110111100
310202001022122212111102
4210131123120012330
51120133443442224
625552354312232
72554064043560
oct443533300674
9122038585442
1039148421564
111566a29960a
127706888678
1338cb8109b5
141c754576a0
151041d724ae
hex91d6d81bc

39148421564 has 12 divisors (see below), whose sum is σ = 78296843184. Its totient is φ = 16777894944.

The previous prime is 39148421527. The next prime is 39148421621. The reversal of 39148421564 is 46512484193.

39148421564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

39148421564 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699078929 + ... + 699078984.

It is an arithmetic number, because the mean of its divisors is an integer number (6524736932).

Almost surely, 239148421564 is an apocalyptic number.

It is an amenable number.

39148421564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39148421564 is a wasteful number, since it uses less digits than its factorization.

39148421564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398157924 (or 1398157922 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 39148421564 in words is "thirty-nine billion, one hundred forty-eight million, four hundred twenty-one thousand, five hundred sixty-four".

Divisors: 1 2 4 7 14 28 1398157913 2796315826 5592631652 9787105391 19574210782 39148421564