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102002222011 = 138407736973
BaseRepresentation
bin101111011111111001…
…1100110001110111011
3100202021201011202111111
41132333303212032323
53132400032101021
6114505325341151
710240465403314
oct1367763461673
9322251152444
10102002222011
113a293660138
12179284077b7
1398075842b1
144d18d3760b
1529bedda8e1
hex17bfce63bb

102002222011 has 4 divisors (see below), whose sum is σ = 102003097392. Its totient is φ = 102001346632.

The previous prime is 102002221961. The next prime is 102002222027. The reversal of 102002222011 is 110222200201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102002222011 - 219 = 102001697723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002221982 and 102002222000.

It is not an unprimeable number, because it can be changed into a prime (102002222071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230080 + ... + 506893.

It is an arithmetic number, because the mean of its divisors is an integer number (25500774348).

Almost surely, 2102002222011 is an apocalyptic number.

102002222011 is a deficient number, since it is larger than the sum of its proper divisors (875381).

102002222011 is an equidigital number, since it uses as much as digits as its factorization.

102002222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875380.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102002222011 its reverse (110222200201), we get a palindrome (212224422212).

The spelling of 102002222011 in words is "one hundred two billion, two million, two hundred twenty-two thousand, eleven".

Divisors: 1 138407 736973 102002222011