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2144048855520 = 2535111331236143
BaseRepresentation
bin11111001100110011010…
…001010011100111100000
321120222011110011220100010
4133030303101103213200
5240112003001334040
64320543515524520
7310621346400615
oct37146321234740
97528143156303
102144048855520
11757316758010
122a7645759740
1312724bbc2260
1475ab5b0c50c
153ab893c4e80
hex1f3334539e0

2144048855520 has 192 divisors, whose sum is σ = 7934480354304. Its totient is φ = 479787141120.

The previous prime is 2144048855489. The next prime is 2144048855527. The reversal of 2144048855520 is 255588404412.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2144048855520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144048855527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15549432 + ... + 15686711.

It is an arithmetic number, because the mean of its divisors is an integer number (41325418512).

Almost surely, 22144048855520 is an apocalyptic number.

2144048855520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144048855520 is an abundant number, since it is smaller than the sum of its proper divisors (5790431498784).

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

2144048855520 is a wasteful number, since it uses less digits than its factorization.

2144048855520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31236185 (or 31236177 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 48.

The spelling of 2144048855520 in words is "two trillion, one hundred forty-four billion, forty-eight million, eight hundred fifty-five thousand, five hundred twenty".