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213121200034142 = 21039102560731489
BaseRepresentation
bin110000011101010100100101…
…011011000001000101011110
31000221121012001212101020201022
4300131110211123001011132
5210413234204202043032
62033134305551244142
762614333004351351
oct6035244533010536
91027535055336638
10213121200034142
11619a82143a7614
121baa0396819652
1391bc32093851a
143a8b19a4d0298
151998b88c22512
hexc1d5256c115e

213121200034142 has 8 divisors (see below), whose sum is σ = 319989482248800. Its totient is φ = 106458039284544.

The previous prime is 213121200034049. The next prime is 213121200034189. The reversal of 213121200034142 is 241430002121312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51280363667 + ... + 51280367822.

It is an arithmetic number, because the mean of its divisors is an integer number (39998685281100).

Almost surely, 2213121200034142 is an apocalyptic number.

213121200034142 is a deficient number, since it is larger than the sum of its proper divisors (106868282214658).

213121200034142 is a wasteful number, since it uses less digits than its factorization.

213121200034142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102560732530.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 213121200034142 its reverse (241430002121312), we get a palindrome (454551202155454).

The spelling of 213121200034142 in words is "two hundred thirteen trillion, one hundred twenty-one billion, two hundred million, thirty-four thousand, one hundred forty-two".

Divisors: 1 2 1039 2078 102560731489 205121462978 106560600017071 213121200034142