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220542800000 = 27554711731
BaseRepresentation
bin1100110101100101100…
…0000001000010000000
3210002021000012001100212
43031121120001002000
512103132424100000
6245152125333252
721635153604125
oct3153130010200
9702230161325
10220542800000
118559372a966
12368ab407228
1317a492b6033
14a96250074c
155b0bbaec35
hex3359601080

220542800000 has 192 divisors, whose sum is σ = 560900350080. Its totient is φ = 86332800000.

The previous prime is 220542799969. The next prime is 220542800017. The reversal of 220542800000 is 8245022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18794135 + ... + 18805865.

It is an arithmetic number, because the mean of its divisors is an integer number (2921355990).

Almost surely, 2220542800000 is an apocalyptic number.

220542800000 is a gapful number since it is divisible by the number (20) 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 220542800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280450175040).

220542800000 is an abundant number, since it is smaller than the sum of its proper divisors (340357550080).

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

220542800000 is an frugal number, since it uses more digits than its factorization.

220542800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11817 (or 11785 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The spelling of 220542800000 in words is "two hundred twenty billion, five hundred forty-two million, eight hundred thousand".