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4091280080 = 24565378317
BaseRepresentation
bin1111001111011011…
…1111101011010000
3101120010110120011212
43303312333223100
531334331430310
61513550155252
7203246210156
oct36366775320
911503416155
104091280080
11180a46a308
129621b2b28
135028011b4
142ab5153d6
1518e2a6205
hexf3dbfad0

4091280080 has 40 divisors (see below), whose sum is σ = 9526914792. Its totient is φ = 1633985024.

The previous prime is 4091280077. The next prime is 4091280119. The reversal of 4091280080 is 800821904.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 138391696 + 3952888384 = 11764^2 + 62872^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13082 + ... + 91398.

Almost surely, 24091280080 is an apocalyptic number.

4091280080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4091280080 is an abundant number, since it is smaller than the sum of its proper divisors (5435634712).

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

4091280080 is a wasteful number, since it uses less digits than its factorization.

4091280080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78983 (or 78977 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 4091280080 is about 63963.1149960663. The cubic root of 4091280080 is about 1599.3851908697.

The spelling of 4091280080 in words is "four billion, ninety-one million, two hundred eighty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 653 1306 2612 3265 5224 6530 10448 13060 26120 52240 78317 156634 313268 391585 626536 783170 1253072 1566340 3132680 6265360 51141001 102282002 204564004 255705005 409128008 511410010 818256016 1022820020 2045640040 4091280080