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2102110202311 = 71921283648371
BaseRepresentation
bin11110100101101111100…
…010000010100111000111
321102221220200012120120221
4132211233202002213013
5233420110202433221
64245410205005211
7304605151621630
oct36455742024707
97387820176527
102102110202311
11740555453139
1229b4a0553807
131232c72c4622
1473a57c94887
1539a325e7541
hex1e96f8829c7

2102110202311 has 24 divisors (see below), whose sum is σ = 2537489407104. Its totient is φ = 1705643617680.

The previous prime is 2102110202243. The next prime is 2102110202317. The reversal of 2102110202311 is 1132020112012.

It is not a de Polignac number, because 2102110202311 - 211 = 2102110200263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102110202317) 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, 2917956 + ... + 3566326.

It is an arithmetic number, because the mean of its divisors is an integer number (105728725296).

Almost surely, 22102110202311 is an apocalyptic number.

2102110202311 is a deficient number, since it is larger than the sum of its proper divisors (435379204793).

2102110202311 is a wasteful number, since it uses less digits than its factorization.

2102110202311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649699 (or 649680 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2102110202311 its reverse (1132020112012), we get a palindrome (3234130314323).

The spelling of 2102110202311 in words is "two trillion, one hundred two billion, one hundred ten million, two hundred two thousand, three hundred eleven".

Divisors: 1 7 19 133 361 1283 2527 8981 24377 170639 463163 648371 3242141 4538597 12319049 86233343 234061931 831859993 1638433517 5823019951 15805339867 110637379069 300301457473 2102110202311