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3102030223 = 15541199603
BaseRepresentation
bin1011100011100101…
…0011100110001111
322000012000110111021
42320321103212033
522323104431343
61231451135011
7136604551615
oct27071234617
98005013437
103102030223
111352019246
12726a44467
133a5889156
14215da56b5
151324ea0ed
hexb8e5398f

3102030223 has 4 divisors (see below), whose sum is σ = 3102245368. Its totient is φ = 3101815080.

The previous prime is 3102030203. The next prime is 3102030241. The reversal of 3102030223 is 3220302013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3102030223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3102030197 and 3102030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102030203) 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, 84261 + ... + 115342.

It is an arithmetic number, because the mean of its divisors is an integer number (775561342).

Almost surely, 23102030223 is an apocalyptic number.

3102030223 is a deficient number, since it is larger than the sum of its proper divisors (215145).

3102030223 is a wasteful number, since it uses less digits than its factorization.

3102030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215144.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3102030223 is about 55695.8725849591. The cubic root of 3102030223 is about 1458.4179747104.

Adding to 3102030223 its reverse (3220302013), we get a palindrome (6322332236).

The spelling of 3102030223 in words is "three billion, one hundred two million, thirty thousand, two hundred twenty-three".

Divisors: 1 15541 199603 3102030223