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53891151360 = 29359772341
BaseRepresentation
bin110010001100001010…
…011011011000000000
312011002202201010210220
4302030022123120000
51340332113320420
640431322223040
73615321141234
oct621412333000
9164082633726
1053891151360
1120945171722
12a540054a80
13510ac70157
14287342c5c4
1516062b8840
hexc8c29b600

53891151360 has 160 divisors (see below), whose sum is σ = 174061796832. Its totient is φ = 14222622720.

The previous prime is 53891151341. The next prime is 53891151389. The reversal of 53891151360 is 6315119835.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708790 + ... + 781130.

Almost surely, 253891151360 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 53891151360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87030898416).

53891151360 is an abundant number, since it is smaller than the sum of its proper divisors (120170645472).

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

53891151360 is an equidigital number, since it uses as much as digits as its factorization.

53891151360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72464 (or 72448 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 53891151360 in words is "fifty-three billion, eight hundred ninety-one million, one hundred fifty-one thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 97 120 128 160 192 194 240 256 291 320 384 388 480 485 512 582 640 768 776 960 970 1164 1280 1455 1536 1552 1920 1940 2328 2560 2910 3104 3840 3880 4656 5820 6208 7680 7760 9312 11640 12416 15520 18624 23280 24832 31040 37248 46560 49664 62080 72341 74496 93120 124160 144682 148992 186240 217023 248320 289364 361705 372480 434046 578728 723410 744960 868092 1085115 1157456 1446820 1736184 2170230 2314912 2893640 3472368 4340460 4629824 5787280 6944736 7017077 8680920 9259648 11574560 13889472 14034154 17361840 18519296 21051231 23149120 27778944 28068308 34723680 35085385 37038592 42102462 46298240 55557888 56136616 69447360 70170770 84204924 92596480 105256155 111115776 112273232 138894720 140341540 168409848 185192960 210512310 224546464 277789440 280683080 336819696 421024620 449092928 555578880 561366160 673639392 842049240 898185856 1122732320 1347278784 1684098480 1796371712 2245464640 2694557568 3368196960 3592743424 4490929280 5389115136 6736393920 8981858560 10778230272 13472787840 17963717120 26945575680 53891151360