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2002100102111 = 471811474715959
BaseRepresentation
bin11101001000100110011…
…101110010001111011111
321002101202210120002110202
4131020212131302033133
5230300300111231421
64131430241254115
7264434623035524
oct35104635621737
97071683502422
102002100102111
117020a434966a
1228402b33433b
13116a49689845
146cc8b76514b
153712c56510b
hex1d2267723df

2002100102111 has 16 divisors (see below), whose sum is σ = 2056262906880. Its totient is φ = 1948422011040.

The previous prime is 2002100102083. The next prime is 2002100102129. The reversal of 2002100102111 is 1112010012002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2002100102111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002100102092 and 2002100102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002100102141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125444750 + ... + 125460708.

It is an arithmetic number, because the mean of its divisors is an integer number (128516431680).

Almost surely, 22002100102111 is an apocalyptic number.

2002100102111 is a deficient number, since it is larger than the sum of its proper divisors (54162804769).

2002100102111 is a wasteful number, since it uses less digits than its factorization.

2002100102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30934.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2002100102111 its reverse (1112010012002), we get a palindrome (3114110114113).

The spelling of 2002100102111 in words is "two trillion, two billion, one hundred million, one hundred two thousand, one hundred eleven".

Divisors: 1 47 181 8507 14747 15959 693109 750073 2669207 2888579 125452729 135763213 235347373 11061326531 42597874513 2002100102111