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16471700511420 = 2235711149115320753
BaseRepresentation
bin1110111110110001110111…
…0110111001101010111100
32011022200100010111112201110
43233230131312321222330
54124333020312331140
655010554511042020
73320020044141420
oct357543566715274
964280303445643
1016471700511420
115280677582280
121a203ab210310
1392637566926b
1440d33d8b2b80
151d870033a380
hexefb1ddb9abc

16471700511420 has 384 divisors, whose sum is σ = 57940120627200. Its totient is φ = 3396607672320.

The previous prime is 16471700511367. The next prime is 16471700511437. The reversal of 16471700511420 is 2411500717461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 793691764 + ... + 793712516.

It is an arithmetic number, because the mean of its divisors is an integer number (150885730800).

Almost surely, 216471700511420 is an apocalyptic number.

16471700511420 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 16471700511420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28970060313600).

16471700511420 is an abundant number, since it is smaller than the sum of its proper divisors (41468420115780).

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

16471700511420 is a wasteful number, since it uses less digits than its factorization.

16471700511420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085 (or 22083 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 16471700511420 in words is "sixteen trillion, four hundred seventy-one billion, seven hundred million, five hundred eleven thousand, four hundred twenty".