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10511051005 = 5721318118233
BaseRepresentation
bin10011100101000000…
…11110100011111101
31000010112101201022101
421302200132203331
5133011312113010
64455000145101
7521321313400
oct116240364375
930115351271
1010511051005
11450423a214
122054168191
13cb6841610
14719d93d37
15417baa73a
hex27281e8fd

10511051005 has 48 divisors (see below), whose sum is σ = 15889399344. Its totient is φ = 6616028160.

The previous prime is 10511050999. The next prime is 10511051011. The reversal of 10511051005 is 50015011501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10511050999) and next prime (10511051011).

It can be written as a sum of positive squares in 8 ways, for example, as 2757720196 + 7753330809 = 52514^2 + 88053^2 .

It is not a de Polignac number, because 10511051005 - 215 = 10511018237 is a prime.

It is a super-2 number, since 2×105110510052 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 567369 + ... + 585601.

It is an arithmetic number, because the mean of its divisors is an integer number (331029153).

Almost surely, 210511051005 is an apocalyptic number.

It is an amenable number.

10511051005 is a deficient number, since it is larger than the sum of its proper divisors (5378348339).

10511051005 is a wasteful number, since it uses less digits than its factorization.

10511051005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18446 (or 18439 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 10511051005 its reverse (50015011501), we get a palindrome (60526062506).

The spelling of 10511051005 in words is "ten billion, five hundred eleven million, fifty-one thousand, five".

Divisors: 1 5 7 13 35 49 65 91 181 245 455 637 905 1267 2353 3185 6335 8869 11765 16471 18233 44345 82355 91165 115297 127631 237029 576485 638155 893417 1185145 1659203 3300173 4467085 8296015 11614421 16500865 23101211 42902249 58072105 115506055 161708477 214511245 300315743 808542385 1501578715 2102210201 10511051005