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2071978660014 = 232092916500061
BaseRepresentation
bin11110001001101011100…
…011010101000010101110
321100002010202101122002220
4132021223203111002232
5232421403014110024
64223504233300210
7302460364006554
oct36115343250256
97302122348086
102071978660014
117297a2a3446a
12295691564666
131205048c3a63
14723da1a7bd4
1538d6c187e79
hex1e26b8d50ae

2071978660014 has 16 divisors (see below), whose sum is σ = 4144155571920. Its totient is φ = 690626511360.

The previous prime is 2071978660013. The next prime is 2071978660043. The reversal of 2071978660014 is 4100668791702.

It is a super-2 number, since 2×20719786600142 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071978660013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8124457 + ... + 8375604.

It is an arithmetic number, because the mean of its divisors is an integer number (259009723245).

Almost surely, 22071978660014 is an apocalyptic number.

2071978660014 is an abundant number, since it is smaller than the sum of its proper divisors (2072176911906).

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

2071978660014 is a wasteful number, since it uses less digits than its factorization.

2071978660014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16520995.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 2071978660014 in words is "two trillion, seventy-one billion, nine hundred seventy-eight million, six hundred sixty thousand, fourteen".

Divisors: 1 2 3 6 20929 41858 62787 125574 16500061 33000122 49500183 99000366 345329776669 690659553338 1035989330007 2071978660014