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4109021280 = 2532571331357
BaseRepresentation
bin1111010011101010…
…1011000001100000
3101121100211220112100
43310322223001200
531403402140110
61515422330400
7203553050610
oct36472530140
911540756470
104109021280
111819487561
12968129a00
135063a3450
142ada12a40
15190b0cbc0
hexf4eab060

4109021280 has 288 divisors, whose sum is σ = 17258439744. Its totient is φ = 866930688.

The previous prime is 4109021239. The next prime is 4109021309. The reversal of 4109021280 is 821209014.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115362 + ... + 146718.

It is an arithmetic number, because the mean of its divisors is an integer number (59925138).

Almost surely, 24109021280 is an apocalyptic number.

4109021280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4109021280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8629219872).

4109021280 is an abundant number, since it is smaller than the sum of its proper divisors (13149418464).

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

4109021280 is a wasteful number, since it uses less digits than its factorization.

4109021280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31398 (or 31387 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 4109021280 is about 64101.6480287364. The cubic root of 4109021280 is about 1601.6936856771.

The spelling of 4109021280 in words is "four billion, one hundred nine million, twenty-one thousand, two hundred eighty".