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57110255520 = 2535118979699
BaseRepresentation
bin110101001100000010…
…010101011110100000
312110102010000120112220
4311030002111132200
51413430211134040
642122554551040
74061150106453
oct651402253640
9173363016486
1057110255520
112224728328a
12b09a138480
135501b6a406
142a9ab8b49a
151743bdc2d0
hexd4c0957a0

57110255520 has 48 divisors (see below), whose sum is σ = 179897306400. Its totient is φ = 15229401344.

The previous prime is 57110255507. The next prime is 57110255557. The reversal of 57110255520 is 2555201175.

It is a tau number, because it is divible by the number of its divisors (48).

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, 59489370 + ... + 59490329.

It is an arithmetic number, because the mean of its divisors is an integer number (3747860550).

Almost surely, 257110255520 is an apocalyptic number.

It is an amenable number.

57110255520 is an abundant number, since it is smaller than the sum of its proper divisors (122787050880).

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

57110255520 is a wasteful number, since it uses less digits than its factorization.

57110255520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118979717 (or 118979709 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 33.

Adding to 57110255520 its reverse (2555201175), we get a palindrome (59665456695).

The spelling of 57110255520 in words is "fifty-seven billion, one hundred ten million, two hundred fifty-five thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 118979699 237959398 356939097 475918796 594898495 713878194 951837592 1189796990 1427756388 1784695485 1903675184 2379593980 2855512776 3569390970 3807350368 4759187960 5711025552 7138781940 9518375920 11422051104 14277563880 19036751840 28555127760 57110255520