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10500056105 = 571173547683
BaseRepresentation
bin10011100011101101…
…00010010000101001
31000002202201010010212
421301312202100221
5133001003243410
64453524350505
7521126001320
oct116166422051
930082633125
1010500056105
1144a900a620
122050545435
13cb4491c66
147187310b7
15416c37b05
hex271da2429

10500056105 has 64 divisors (see below), whose sum is σ = 15976839168. Its totient is φ = 6434588160.

The previous prime is 10500056101. The next prime is 10500056123. The reversal of 10500056105 is 50165000501.

It is not a de Polignac number, because 10500056105 - 22 = 10500056101 is a prime.

It is a super-2 number, since 2×105000561052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10500056101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15373094 + ... + 15373776.

It is an arithmetic number, because the mean of its divisors is an integer number (249638112).

Almost surely, 210500056105 is an apocalyptic number.

It is an amenable number.

10500056105 is a deficient number, since it is larger than the sum of its proper divisors (5476783063).

10500056105 is a wasteful number, since it uses less digits than its factorization.

10500056105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 10500056105 its reverse (50165000501), we get a palindrome (60665056606).

The spelling of 10500056105 in words is "ten billion, five hundred million, fifty-six thousand, one hundred five".

Divisors: 1 5 7 11 35 55 73 77 365 385 511 547 683 803 2555 2735 3415 3829 4015 4781 5621 6017 7513 19145 23905 28105 30085 37565 39931 42119 49859 52591 199655 210595 249295 262955 279517 349013 373601 439241 548449 1397585 1745065 1868005 2196205 2615207 2742245 3074687 3839143 4109611 13076035 15373435 19195715 20548055 27272873 28767277 136364365 143836385 190910111 300001603 954550555 1500008015 2100011221 10500056105