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56989370880000 = 212310541329
BaseRepresentation
bin11001111010100110111110…
…01101010001000000000000
321110210010112020120000000000
430331103133031101000000
524432203212421130000
6321112320000000000
715001226510565306
oct1475233715210000
9243703466500000
1056989370880000
1117182069174239
126484b09000000
1325a50c7c0ac90
14101042bd14276
1568c657130000
hex33d4df351000

56989370880000 has 2860 divisors, whose sum is σ = 237978983332860. Its totient is φ = 13544423424000.

The previous prime is 56989370879981. The next prime is 56989370880041. The reversal of 56989370880000 is 8807398965.

It can be written as a sum of positive squares in 10 ways, for example, as 51401328758784 + 5588042121216 = 7169472^2 + 2363904^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56989370880000.

It is an unprimeable number.

It is a polite number, since it can be written in 219 ways as a sum of consecutive naturals, for example, 1965150719986 + ... + 1965150720014.

Almost surely, 256989370880000 is an apocalyptic number.

56989370880000 is a gapful number since it is divisible by the number (50) 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 56989370880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118989491666430).

56989370880000 is an abundant number, since it is smaller than the sum of its proper divisors (180989612452860).

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

56989370880000 is an frugal number, since it uses more digits than its factorization.

56989370880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 56989370880000 in words is "fifty-six trillion, nine hundred eighty-nine billion, three hundred seventy million, eight hundred eighty thousand".