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2113222012013 = 72412713881467
BaseRepresentation
bin11110110000000101110…
…110001110110001101101
321111000121002000222220102
4132300011312032301231
5234110334313341023
64254444545400445
7305450416504400
oct36600566166155
97430532028812
102113222012013
11745237809242
122a1681939125
13124378438c58
14743cd94bd37
1539e82dc0628
hex1ec05d8ec6d

2113222012013 has 24 divisors (see below), whose sum is σ = 2527487754624. Its totient is φ = 1760632977600.

The previous prime is 2113222011991. The next prime is 2113222012019. The reversal of 2113222012013 is 3102102223112.

It is not a de Polignac number, because 2113222012013 - 28 = 2113222011757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113222012019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1396295 + ... + 2485172.

It is an arithmetic number, because the mean of its divisors is an integer number (105311989776).

Almost surely, 22113222012013 is an apocalyptic number.

It is an amenable number.

2113222012013 is a deficient number, since it is larger than the sum of its proper divisors (414265742611).

2113222012013 is a wasteful number, since it uses less digits than its factorization.

2113222012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881793 (or 3881786 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2113222012013 its reverse (3102102223112), we get a palindrome (5215324235125).

The spelling of 2113222012013 in words is "two trillion, one hundred thirteen billion, two hundred twenty-two million, twelve thousand, thirteen".

Divisors: 1 7 41 49 271 287 1897 2009 11111 13279 77777 544439 3881467 27170269 159140147 190191883 1051877557 1113981029 7363142899 7797867203 43126979837 51542000293 301888858859 2113222012013