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2122432636640 = 255733115571049
BaseRepresentation
bin11110111000101010110…
…101111110011011100000
321111220100222110012120212
4132320222311332123200
5234233220223333030
64303010533153252
7306224600513411
oct36705265763340
97456328405525
102122432636640
11749133989908
122a341248b828
131251b57234b4
1474a24d0d808
153a321804595
hex1ee2ad7e6e0

2122432636640 has 192 divisors, whose sum is σ = 5113303977600. Its totient is φ = 832358154240.

The previous prime is 2122432636537. The next prime is 2122432636703. The reversal of 2122432636640 is 466362342212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2023290836 + ... + 2023291884.

It is an arithmetic number, because the mean of its divisors is an integer number (26631791550).

Almost surely, 22122432636640 is an apocalyptic number.

2122432636640 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 2122432636640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2556651988800).

2122432636640 is an abundant number, since it is smaller than the sum of its proper divisors (2990871340960).

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

2122432636640 is a wasteful number, since it uses less digits than its factorization.

2122432636640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

Adding to 2122432636640 its reverse (466362342212), we get a palindrome (2588794978852).

The spelling of 2122432636640 in words is "two trillion, one hundred twenty-two billion, four hundred thirty-two million, six hundred thirty-six thousand, six hundred forty".