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212410213312240 = 2452655127666403
BaseRepresentation
bin110000010010111110011011…
…010011111010011011110000
31000212002012212222102112212101
4300102332123103322123300
5210320112104101442430
62031431523242310144
762512063046053546
oct6022763323723360
91025065788375771
10212410213312240
116175373598a169
121b9a66327b8354
13916a274242908
143a649cddb3d96
15198542534edca
hexc12f9b4fa6f0

212410213312240 has 20 divisors (see below), whose sum is σ = 493853745951144. Its totient is φ = 84964085324864.

The previous prime is 212410213312237. The next prime is 212410213312247. The reversal of 212410213312240 is 42213312014212.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 212410213312199 and 212410213312208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212410213312247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327563833122 + ... + 1327563833281.

Almost surely, 2212410213312240 is an apocalyptic number.

212410213312240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212410213312240 is an abundant number, since it is smaller than the sum of its proper divisors (281443532638904).

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

212410213312240 is a wasteful number, since it uses less digits than its factorization.

212410213312240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655127666416 (or 2655127666410 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 212410213312240 its reverse (42213312014212), we get a palindrome (254623525326452).

The spelling of 212410213312240 in words is "two hundred twelve trillion, four hundred ten billion, two hundred thirteen million, three hundred twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2655127666403 5310255332806 10620510665612 13275638332015 21241021331224 26551276664030 42482042662448 53102553328060 106205106656120 212410213312240