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2220231200000 = 2855111571607
BaseRepresentation
bin100000010011110000000…
…101111000110100000000
321212020210201200222111012
4200103300011320310000
5242334013141400000
64415543215540052
7316256253550322
oct40236005706400
97766721628435
102220231200000
1178665a6a3a90
122ba366b2a628
131314a011a6b8
147966183b612
153cb4763b735
hex204f0178d00

2220231200000 has 432 divisors, whose sum is σ = 6085237269888. Its totient is φ = 801715200000.

The previous prime is 2220231199999. The next prime is 2220231200093. The reversal of 2220231200000 is 21320222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1381599197 + ... + 1381600803.

It is an arithmetic number, because the mean of its divisors is an integer number (14086197384).

Almost surely, 22220231200000 is an apocalyptic number.

2220231200000 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 2220231200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3042618634944).

2220231200000 is an abundant number, since it is smaller than the sum of its proper divisors (3865006069888).

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

2220231200000 is an equidigital number, since it uses as much as digits as its factorization.

2220231200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 2220231200000 its reverse (21320222), we get a palindrome (2220252520222).

The spelling of 2220231200000 in words is "two trillion, two hundred twenty billion, two hundred thirty-one million, two hundred thousand".