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5481142560 = 253351268783
BaseRepresentation
bin1010001101011001…
…11001100100100000
3112010222201220002000
411012230321210200
542211133030220
62303515524000
7252553641315
oct50654714440
915128656060
105481142560
112362a64593
12108b759600
1369474062a
1439dd48d0c
152212e7390
hex146b39920

5481142560 has 96 divisors (see below), whose sum is σ = 19184014080. Its totient is φ = 1461636864.

The previous prime is 5481142549. The next prime is 5481142603. The reversal of 5481142560 is 652411845.

It is a happy number.

5481142560 is a `hidden beast` number, since 5 + 4 + 81 + 14 + 2 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630072 + ... + 638711.

It is an arithmetic number, because the mean of its divisors is an integer number (199833480).

Almost surely, 25481142560 is an apocalyptic number.

It is an amenable number.

5481142560 is an abundant number, since it is smaller than the sum of its proper divisors (13702871520).

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

5481142560 is a wasteful number, since it uses less digits than its factorization.

5481142560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268807 (or 1268793 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 5481142560 is about 74034.7388730453. The cubic root of 5481142560 is about 1763.1544839607.

The spelling of 5481142560 in words is "five billion, four hundred eighty-one million, one hundred forty-two thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 1268783 2537566 3806349 5075132 6343915 7612698 10150264 11419047 12687830 15225396 19031745 20300528 22838094 25375660 30450792 34257141 38063490 40601056 45676188 50751320 57095235 60901584 68514282 76126980 91352376 101502640 114190470 121803168 137028564 152253960 171285705 182704752 203005280 228380940 274057128 304507920 342571410 365409504 456761880 548114256 609015840 685142820 913523760 1096228512 1370285640 1827047520 2740571280 5481142560