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5257751120 = 245421156109
BaseRepresentation
bin1001110010110001…
…01110101001010000
3111120102101102121222
410321120232221100
541231441013440
62225415504212
7244202101316
oct47130565120
914512342558
105257751120
112258955266
121028988068
1365a38634b
1437c3d80b6
1520b8bc2b5
hex13962ea50

5257751120 has 40 divisors (see below), whose sum is σ = 12253386120. Its totient is φ = 2098091520.

The previous prime is 5257751111. The next prime is 5257751131. The reversal of 5257751120 is 211577525.

It can be written as a sum of positive squares in 4 ways, for example, as 19465744 + 5238285376 = 4412^2 + 72376^2 .

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

It is a super-2 number, since 2×52577511202 = 55287893679722508800, which contains 22 as substring.

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, 44375 + ... + 111734.

It is an arithmetic number, because the mean of its divisors is an integer number (306334653).

Almost surely, 25257751120 is an apocalyptic number.

It is an amenable number.

5257751120 is an abundant number, since it is smaller than the sum of its proper divisors (6995635000).

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

5257751120 is a wasteful number, since it uses less digits than its factorization.

5257751120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156543 (or 156537 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 5257751120 is about 72510.3518126895. The cubic root of 5257751120 is about 1738.8682383442.

The spelling of 5257751120 in words is "five billion, two hundred fifty-seven million, seven hundred fifty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 421 842 1684 2105 3368 4210 6736 8420 16840 33680 156109 312218 624436 780545 1248872 1561090 2497744 3122180 6244360 12488720 65721889 131443778 262887556 328609445 525775112 657218890 1051550224 1314437780 2628875560 5257751120