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202131443122442 = 23161136493915719
BaseRepresentation
bin101101111101011001100100…
…110111011000000100001010
3222111200120120210220100222122
4231331121210313120010022
5202443210143414404232
61553521523020451242
760401341410034151
oct5575314467300412
9874616523810878
10202131443122442
11594505110a5539
121a8065173a9b22
1388a2bb4694382
1437cb2dd4b8598
151857d81942312
hexb7d664dd810a

202131443122442 has 32 divisors (see below), whose sum is σ = 318131888256000. Its totient is φ = 96195094675200.

The previous prime is 202131443122439. The next prime is 202131443122481. The reversal of 202131443122442 is 244221344131202.

202131443122442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2021314431224422 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49662659 + ... + 53578377.

It is an arithmetic number, because the mean of its divisors is an integer number (9941621508000).

Almost surely, 2202131443122442 is an apocalyptic number.

202131443122442 is a deficient number, since it is larger than the sum of its proper divisors (116000445133558).

202131443122442 is a wasteful number, since it uses less digits than its factorization.

202131443122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929462.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 202131443122442 its reverse (244221344131202), we get a palindrome (446352787253644).

The spelling of 202131443122442 in words is "two hundred two trillion, one hundred thirty-one billion, four hundred forty-three million, one hundred twenty-two thousand, four hundred forty-two".

Divisors: 1 2 31 61 62 122 1891 3782 13649 27298 423119 832589 846238 1665178 3915719 7831438 25810259 51620518 121387289 238858859 242774578 477717718 7404624629 14809249258 53445648631 106891297262 1656815107561 3260184566491 3313630215122 6520369132982 101065721561221 202131443122442