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10512105303 = 37500576443
BaseRepresentation
bin10011100101001000…
…11111111101010111
31000010121101021112110
421302210133331113
5133012044332203
64455034522103
7521333264220
oct116244377527
930117337473
1010512105303
11450489a337
122054596333
13cb6b2046b
1471a18a247
15417d17d03
hex27291ff57

10512105303 has 8 divisors (see below), whose sum is σ = 16018446208. Its totient is φ = 6006917304.

The previous prime is 10512105229. The next prime is 10512105347. The reversal of 10512105303 is 30350121501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10512105303 - 212 = 10512101207 is a prime.

It is a super-2 number, since 2×105121053032 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 500576443 = 10512105303 / (1 + 0 + 5 + 1 + 2 + 1 + 0 + 5 + 3 + 0 + 3).

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 10512105303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10512105103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250288201 + ... + 250288242.

It is an arithmetic number, because the mean of its divisors is an integer number (2002305776).

Almost surely, 210512105303 is an apocalyptic number.

10512105303 is a deficient number, since it is larger than the sum of its proper divisors (5506340905).

10512105303 is an equidigital number, since it uses as much as digits as its factorization.

10512105303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500576453.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 10512105303 its reverse (30350121501), we get a palindrome (40862226804).

The spelling of 10512105303 in words is "ten billion, five hundred twelve million, one hundred five thousand, three hundred three".

Divisors: 1 3 7 21 500576443 1501729329 3504035101 10512105303