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20203105035 = 351511891379
BaseRepresentation
bin10010110100001100…
…101110101100001011
31221010222201001222110
4102310030232230023
5312333443330120
613140422353403
71313436362601
oct226414565413
957128631873
1020203105035
118628142923
123ab9b8b863
131b9c7ab329
14d99275871
157d39da2e0
hex4b432eb0b

20203105035 has 16 divisors (see below), whose sum is σ = 32346397440. Its totient is φ = 10767846240.

The previous prime is 20203104991. The next prime is 20203105057. The reversal of 20203105035 is 53050130202.

It is not a de Polignac number, because 20203105035 - 211 = 20203102987 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 423025 + ... + 468354.

It is an arithmetic number, because the mean of its divisors is an integer number (2021649840).

Almost surely, 220203105035 is an apocalyptic number.

20203105035 is a deficient number, since it is larger than the sum of its proper divisors (12143292405).

20203105035 is a wasteful number, since it uses less digits than its factorization.

20203105035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892898.

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 20203105035 its reverse (53050130202), we get a palindrome (73253235237).

The spelling of 20203105035 in words is "twenty billion, two hundred three million, one hundred five thousand, thirty-five".

Divisors: 1 3 5 15 1511 4533 7555 22665 891379 2674137 4456895 13370685 1346873669 4040621007 6734368345 20203105035