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16211463988320 = 253453764752253
BaseRepresentation
bin1110101111101000011010…
…0011010110010001100000
32010101210121210120102210000
43223322012203112101200
54111102034240111240
654251235503140000
73262145122165116
oct353720643262140
963353553512700
1016211463988320
115190274875787
121999a825a4600
139079718b8813
144008d376dab6
151d1a6d9e2430
hexebe868d6460

16211463988320 has 480 divisors, whose sum is σ = 58851198762048. Its totient is φ = 4199636201472.

The previous prime is 16211463988309. The next prime is 16211463988351. The reversal of 16211463988320 is 2388936411261.

It is a happy number.

16211463988320 is a `hidden beast` number, since 1 + 6 + 2 + 11 + 463 + 98 + 83 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 310223314 + ... + 310275566.

Almost surely, 216211463988320 is an apocalyptic number.

16211463988320 is a gapful number since it is divisible by the number (10) 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 16211463988320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29425599381024).

16211463988320 is an abundant number, since it is smaller than the sum of its proper divisors (42639734773728).

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

16211463988320 is a wasteful number, since it uses less digits than its factorization.

16211463988320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52964 (or 52947 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 16211463988320 in words is "sixteen trillion, two hundred eleven billion, four hundred sixty-three million, nine hundred eighty-eight thousand, three hundred twenty".