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2184490115940 = 22351124136173797
BaseRepresentation
bin11111110010011101110…
…000011110001101100100
321201211112212112210100010
4133302131300132031210
5241242313432202230
64351312500250220
7313552462421136
oct37623560361544
97654485483303
102184490115940
117724897a2590
122b34513a0970
1312acc5501552
1477a30b41056
153bc549c09b0
hex1fc9dc1e364

2184490115940 has 192 divisors, whose sum is σ = 6703929163008. Its totient is φ = 527091302400.

The previous prime is 2184490115887. The next prime is 2184490115989. The reversal of 2184490115940 is 495110944812.

It is a self number, because there is not a number n which added to its sum of digits gives 2184490115940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 575318122 + ... + 575321918.

It is an arithmetic number, because the mean of its divisors is an integer number (34916297724).

Almost surely, 22184490115940 is an apocalyptic number.

2184490115940 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 2184490115940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351964581504).

2184490115940 is an abundant number, since it is smaller than the sum of its proper divisors (4519439047068).

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

2184490115940 is a wasteful number, since it uses less digits than its factorization.

2184490115940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678 (or 7676 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 2184490115940 in words is "two trillion, one hundred eighty-four billion, four hundred ninety million, one hundred fifteen thousand, nine hundred forty".