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10831693553 = 82113193293
BaseRepresentation
bin10100001011001111…
…01000011011110001
31000221212202001012022
422011213220123301
5134140403143203
64550452441225
7532263606332
oct120547503361
930855661168
1010831693553
11465923275a
122123619215
1310380b9135
1474a7bc289
15435de5a38
hex2859e86f1

10831693553 has 4 divisors (see below), whose sum is σ = 10844887668. Its totient is φ = 10818499440.

The previous prime is 10831693549. The next prime is 10831693559. The reversal of 10831693553 is 35539613801.

10831693553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35539613801 = 288712310223.

It can be written as a sum of positive squares in 2 ways, for example, as 1820558224 + 9011135329 = 42668^2 + 94927^2 .

It is a cyclic number.

It is not a de Polignac number, because 10831693553 - 22 = 10831693549 is a prime.

It is a super-2 number, since 2×108316935532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10831693559) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6595826 + ... + 6597467.

It is an arithmetic number, because the mean of its divisors is an integer number (2711221917).

Almost surely, 210831693553 is an apocalyptic number.

It is an amenable number.

10831693553 is a deficient number, since it is larger than the sum of its proper divisors (13194115).

10831693553 is an equidigital number, since it uses as much as digits as its factorization.

10831693553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194114.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 10831693553 in words is "ten billion, eight hundred thirty-one million, six hundred ninety-three thousand, five hundred fifty-three".

Divisors: 1 821 13193293 10831693553