Search a number
-
+
10005221050 = 2521118191311
BaseRepresentation
bin10010101000101101…
…11000111010111010
3221211021120220001121
421110112320322322
5130442314033200
64332450335454
7502636655446
oct112426707272
927737526047
1010005221050
114274760730
121b3288a58a
13c35ac7a56
146acb21826
153d858ee1a
hex2545b8eba

10005221050 has 24 divisors (see below), whose sum is σ = 20301504192. Its totient is φ = 3638262000.

The previous prime is 10005221041. The next prime is 10005221063. The reversal of 10005221050 is 5012250001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9095106 + ... + 9096205.

It is an arithmetic number, because the mean of its divisors is an integer number (845896008).

Almost surely, 210005221050 is an apocalyptic number.

10005221050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10005221050 is an abundant number, since it is smaller than the sum of its proper divisors (10296283142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10005221050 is a wasteful number, since it uses less digits than its factorization.

10005221050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18191334 (or 18191329 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

Adding to 10005221050 its reverse (5012250001), we get a palindrome (15017471051).

The spelling of 10005221050 in words is "ten billion, five million, two hundred twenty-one thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 18191311 36382622 90956555 181913110 200104421 400208842 454782775 909565550 1000522105 2001044210 5002610525 10005221050