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51094048800 = 2535221289187
BaseRepresentation
bin101111100101011100…
…010101000000100000
311212212211110121102210
4233211130111000200
51314120034030200
635250002442120
73456105151254
oct574534250040
9155784417383
1051094048800
111a73a293113
129a9b363340
134a83618992
142689b60264
1514e0952650
hexbe5715020

51094048800 has 72 divisors (see below), whose sum is σ = 166311136656. Its totient is φ = 13625079040.

The previous prime is 51094048739. The next prime is 51094048807. The reversal of 51094048800 is 884049015.

It is a super-2 number, since 2×510940488002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51094048807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10642194 + ... + 10646993.

It is an arithmetic number, because the mean of its divisors is an integer number (2309876898).

Almost surely, 251094048800 is an apocalyptic number.

51094048800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51094048800 is an abundant number, since it is smaller than the sum of its proper divisors (115217087856).

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

51094048800 is a wasteful number, since it uses less digits than its factorization.

51094048800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21289210 (or 21289197 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 51094048800 in words is "fifty-one billion, ninety-four million, forty-eight thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 21289187 42578374 63867561 85156748 106445935 127735122 170313496 212891870 255470244 319337805 340626992 425783740 510940488 532229675 638675610 681253984 851567480 1021880976 1064459350 1277351220 1596689025 1703134960 2043761952 2128918700 2554702440 3193378050 3406269920 4257837400 5109404880 6386756100 8515674800 10218809760 12773512200 17031349600 25547024400 51094048800