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102003230011 = 293517352759
BaseRepresentation
bin101111011111111011…
…1011100010100111011
3100202021210001222012211
41132333313130110323
53132400311330021
6114505403115551
710240510102144
oct1367767342473
9322253058184
10102003230011
113a2941894a1
1217928812bb7
139807848047
144d1911aacb
1529c00393e1
hex17bfddc53b

102003230011 has 4 divisors (see below), whose sum is σ = 105520582800. Its totient is φ = 98485877224.

The previous prime is 102003230009. The next prime is 102003230053. The reversal of 102003230011 is 110032300201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110032300201 = 241456565561.

It is a cyclic number.

It is not a de Polignac number, because 102003230011 - 21 = 102003230009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102003229973 and 102003230000.

It is not an unprimeable number, because it can be changed into a prime (102003230111) 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, 1758676351 + ... + 1758676408.

It is an arithmetic number, because the mean of its divisors is an integer number (26380145700).

Almost surely, 2102003230011 is an apocalyptic number.

102003230011 is a deficient number, since it is larger than the sum of its proper divisors (3517352789).

102003230011 is an equidigital number, since it uses as much as digits as its factorization.

102003230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517352788.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 102003230011 its reverse (110032300201), we get a palindrome (212035530212).

The spelling of 102003230011 in words is "one hundred two billion, three million, two hundred thirty thousand, eleven".

Divisors: 1 29 3517352759 102003230011