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28376419932 = 2234761443463
BaseRepresentation
bin11010011011010111…
…011100111001011100
32201020121020111020000
4122123113130321130
5431103330414212
621011433054300
72023123406160
oct323327347134
981217214200
1028376419932
1111041827323
1255bb257390
1328a2bc4533
141532976ca0
15b1131d1dc
hex69b5dce5c

28376419932 has 240 divisors, whose sum is σ = 86549793792. Its totient is φ = 7939451520.

The previous prime is 28376419859. The next prime is 28376419933. The reversal of 28376419932 is 23991467382.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28376419933) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 61287933 + ... + 61288395.

Almost surely, 228376419932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28376419932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43274896896).

28376419932 is an abundant number, since it is smaller than the sum of its proper divisors (58173373860).

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

28376419932 is a wasteful number, since it uses less digits than its factorization.

28376419932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 979 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 28376419932 in words is "twenty-eight billion, three hundred seventy-six million, four hundred nineteen thousand, nine hundred thirty-two".