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23103202211 = 143483161017
BaseRepresentation
bin10101100001000011…
…101110001110100011
32012122002202021101222
4111201003232032203
5334303404432321
614340301445255
71445342656445
oct254103561643
965562667358
1023103202211
119886178851
12458927082b
13224258436b
1411924b4495
159033e83ab
hex5610ee3a3

23103202211 has 4 divisors (see below), whose sum is σ = 23103506712. Its totient is φ = 23102897712.

The previous prime is 23103202207. The next prime is 23103202237. The reversal of 23103202211 is 11220230132.

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 23103202211 - 22 = 23103202207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23103202211.

It is not an unprimeable number, because it can be changed into a prime (23103202261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62975 + ... + 223991.

It is an arithmetic number, because the mean of its divisors is an integer number (5775876678).

Almost surely, 223103202211 is an apocalyptic number.

23103202211 is a deficient number, since it is larger than the sum of its proper divisors (304501).

23103202211 is a wasteful number, since it uses less digits than its factorization.

23103202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304500.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23103202211 its reverse (11220230132), we get a palindrome (34323432343).

The spelling of 23103202211 in words is "twenty-three billion, one hundred three million, two hundred two thousand, two hundred eleven".

Divisors: 1 143483 161017 23103202211