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10530731156 = 2211221757709
BaseRepresentation
bin10011100111010111…
…00011010010010100
31000011220102120101212
421303223203102110
5133031331344111
64500542040552
7521650511051
oct116353432224
930156376355
1010530731156
114514361200
12205a879158
13cba94228a
1471c838028
1541979698b
hex273ae3494

10530731156 has 18 divisors (see below), whose sum is σ = 20256428010. Its totient is φ = 4786695760.

The previous prime is 10530731149. The next prime is 10530731179. The reversal of 10530731156 is 65113703501.

10530731156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7444928656 + 3085802500 = 86284^2 + 55550^2 .

It is a super-2 number, since 2×105307311562 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 10878371 + ... + 10879338.

Almost surely, 210530731156 is an apocalyptic number.

It is an amenable number.

10530731156 is a deficient number, since it is larger than the sum of its proper divisors (9725696854).

10530731156 is a wasteful number, since it uses less digits than its factorization.

10530731156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21757735 (or 21757722 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The spelling of 10530731156 in words is "ten billion, five hundred thirty million, seven hundred thirty-one thousand, one hundred fifty-six".

Divisors: 1 2 4 11 22 44 121 242 484 21757709 43515418 87030836 239334799 478669598 957339196 2632682789 5265365578 10530731156