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10520741871 = 325531211349
BaseRepresentation
bin10011100110001010…
…11100011111101111
31000011012122001200100
421303011130133233
5133021302214441
64455544002143
7521466554553
oct116305343757
930135561610
1010520741871
1145097590a2
122057460353
13cb8855563
1471b397863
15418971cb6
hex27315c7ef

10520741871 has 12 divisors (see below), whose sum is σ = 15199446600. Its totient is φ = 7012526640.

The previous prime is 10520741867. The next prime is 10520741897. The reversal of 10520741871 is 17814702501.

10520741871 is a `hidden beast` number, since 10 + 520 + 7 + 41 + 87 + 1 = 666.

It is not a de Polignac number, because 10520741871 - 22 = 10520741867 is a prime.

It is a super-2 number, since 2×105207418712 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520741821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55896 + ... + 155453.

It is an arithmetic number, because the mean of its divisors is an integer number (1266620550).

Almost surely, 210520741871 is an apocalyptic number.

10520741871 is a deficient number, since it is larger than the sum of its proper divisors (4678704729).

10520741871 is a wasteful number, since it uses less digits than its factorization.

10520741871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216886 (or 216883 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The spelling of 10520741871 in words is "ten billion, five hundred twenty million, seven hundred forty-one thousand, eight hundred seventy-one".

Divisors: 1 3 9 5531 16593 49779 211349 634047 1902141 1168971319 3506913957 10520741871