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50128768000 = 21053391631
BaseRepresentation
bin101110101011111010…
…000100110000000000
311210101120010021010001
4232223322010300000
51310130431034000
635010121245344
73423144332443
oct565372046000
9153346107101
1050128768000
111a294423393
129870033854
13495b6467cc
1425d788d65a
151485d2d46a
hexbabe84c00

50128768000 has 88 divisors (see below), whose sum is σ = 125060629824. Its totient is φ = 20051456000.

The previous prime is 50128767977. The next prime is 50128768007. The reversal of 50128768000 is 86782105.

It is not an unprimeable number, because it can be changed into a prime (50128768007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67816 + ... + 323815.

Almost surely, 250128768000 is an apocalyptic number.

50128768000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50128768000 is an abundant number, since it is smaller than the sum of its proper divisors (74931861824).

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

50128768000 is an equidigital number, since it uses as much as digits as its factorization.

50128768000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391666 (or 391638 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 50128768000 in words is "fifty billion, one hundred twenty-eight million, seven hundred sixty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 640 800 1000 1024 1280 1600 2000 2560 3200 4000 5120 6400 8000 12800 16000 25600 32000 64000 128000 391631 783262 1566524 1958155 3133048 3916310 6266096 7832620 9790775 12532192 15665240 19581550 25064384 31330480 39163100 48953875 50128768 62660960 78326200 97907750 100257536 125321920 156652400 195815500 200515072 250643840 313304800 391631000 401030144 501287680 626609600 783262000 1002575360 1253219200 1566524000 2005150720 2506438400 3133048000 5012876800 6266096000 10025753600 12532192000 25064384000 50128768000