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48781024000 = 28531789671
BaseRepresentation
bin101101011011100100…
…110101101100000000
311122220122002202220121
4231123210311230000
51244400420232000
634224254350024
73344560601602
oct553344655400
9148818082817
1048781024000
1119762686375
1295547bb314
1347a5363257
14250a8a1172
15140785bb1a
hexb5b935b00

48781024000 has 144 divisors (see below), whose sum is σ = 128669276736. Its totient is φ = 18364416000.

The previous prime is 48781023997. The next prime is 48781024013. The reversal of 48781024000 is 42018784.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499165 + ... + 588835.

It is an arithmetic number, because the mean of its divisors is an integer number (893536644).

Almost surely, 248781024000 is an apocalyptic number.

48781024000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48781024000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64334638368).

48781024000 is an abundant number, since it is smaller than the sum of its proper divisors (79888252736).

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

48781024000 is an equidigital number, since it uses as much as digits as its factorization.

48781024000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89719 (or 89695 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The spelling of 48781024000 in words is "forty-eight billion, seven hundred eighty-one million, twenty-four thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 125 128 136 160 170 200 250 256 272 320 340 400 425 500 544 640 680 800 850 1000 1088 1280 1360 1600 1700 2000 2125 2176 2720 3200 3400 4000 4250 4352 5440 6400 6800 8000 8500 10880 13600 16000 17000 21760 27200 32000 34000 54400 68000 89671 108800 136000 179342 272000 358684 448355 544000 717368 896710 1434736 1524407 1793420 2241775 2869472 3048814 3586840 4483550 5738944 6097628 7173680 7622035 8967100 11208875 11477888 12195256 14347360 15244070 17934200 22417750 22955776 24390512 28694720 30488140 35868400 38110175 44835500 48781024 57389440 60976280 71736800 76220350 89671000 97562048 114778880 121952560 143473600 152440700 179342000 190550875 195124096 243905120 286947200 304881400 358684000 381101750 390248192 487810240 573894400 609762800 717368000 762203500 975620480 1219525600 1434736000 1524407000 1951240960 2439051200 2869472000 3048814000 4878102400 6097628000 9756204800 12195256000 24390512000 48781024000