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4064839128 = 23327172320627
BaseRepresentation
bin1111001001001000…
…1000010111011000
3101111021201020000100
43302102020113120
531311044323003
61511203335400
7202505363640
oct36222102730
911437636010
104064839128
1117a654a889
12955381560
134ca1a416c
142a7bd1520
1518bcd1ba3
hexf24885d8

4064839128 has 192 divisors, whose sum is σ = 13901621760. Its totient is φ = 1045490688.

The previous prime is 4064839117. The next prime is 4064839159. The reversal of 4064839128 is 8219384604.

It is a happy number.

4064839128 is a `hidden beast` number, since 40 + 6 + 483 + 9 + 128 = 666.

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, 186751 + ... + 207377.

It is an arithmetic number, because the mean of its divisors is an integer number (72404280).

Almost surely, 24064839128 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 4064839128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6950810880).

4064839128 is an abundant number, since it is smaller than the sum of its proper divisors (9836782632).

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

4064839128 is a wasteful number, since it uses less digits than its factorization.

4064839128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20686 (or 20679 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 4064839128 is about 63756.0909090261. The cubic root of 4064839128 is about 1595.9322619978.

The spelling of 4064839128 in words is "four billion, sixty-four million, eight hundred thirty-nine thousand, one hundred twenty-eight".