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2153340200000 = 2655112101881
BaseRepresentation
bin11111010101011101000…
…100111110010001000000
321121212010222111002211202
4133111131010332101000
5240240020042400000
64325121505400332
7311400530461523
oct37253504762100
97555128432752
102153340200000
11760254450700
122a93b93390a8
1312809cb2c722
1476317ac2bba
153b02ee50dd5
hex1f55d13e440

2153340200000 has 504 divisors, whose sum is σ = 5935486995144. Its totient is φ = 774400000000.

The previous prime is 2153340199991. The next prime is 2153340200021. The reversal of 2153340200000 is 20433512.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2102430400576 + 50909799424 = 1449976^2 + 225632^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2444199560 + ... + 2444200440.

It is an arithmetic number, because the mean of its divisors is an integer number (11776759911).

Almost surely, 22153340200000 is an apocalyptic number.

2153340200000 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 2153340200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2967743497572).

2153340200000 is an abundant number, since it is smaller than the sum of its proper divisors (3782146795144).

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

2153340200000 is an equidigital number, since it uses as much as digits as its factorization.

2153340200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 2153340200000 its reverse (20433512), we get a palindrome (2153360633512).

The spelling of 2153340200000 in words is "two trillion, one hundred fifty-three billion, three hundred forty million, two hundred thousand".