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201222122313 = 3137791486781
BaseRepresentation
bin1011101101100111000…
…1011110101101001001
3201020101111220221010210
42323121301132231021
511244100330403223
6232235024231333
720352320550552
oct2733161365511
9636344827123
10201222122313
1178379707843
1232bb8a6b549
1315c8a58aa84
149a4c52d329
15537a8ce893
hex2ed9c5eb49

201222122313 has 8 divisors (see below), whose sum is σ = 268298661376. Its totient is φ = 134146832400.

The previous prime is 201222122291. The next prime is 201222122357. The reversal of 201222122313 is 313221222102.

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

It is not a de Polignac number, because 201222122313 - 29 = 201222121801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201222122313.

It is not an unprimeable number, because it can be changed into a prime (201222122393) 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, 169983 + ... + 656763.

It is an arithmetic number, because the mean of its divisors is an integer number (33537332672).

Almost surely, 2201222122313 is an apocalyptic number.

It is an amenable number.

201222122313 is a deficient number, since it is larger than the sum of its proper divisors (67076539063).

201222122313 is a wasteful number, since it uses less digits than its factorization.

201222122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624575.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201222122313 its reverse (313221222102), we get a palindrome (514443344415).

The spelling of 201222122313 in words is "two hundred one billion, two hundred twenty-two million, one hundred twenty-two thousand, three hundred thirteen".

Divisors: 1 3 137791 413373 486781 1460343 67074040771 201222122313