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10522078849 = 15601674449
BaseRepresentation
bin10011100110010101…
…00010111010000001
31000011022010222200001
421303022202322001
5133022123010344
64500032400001
7521514123502
oct116312427201
930138128601
1010522078849
11450a491637
1220579a6001
13cb8c02c79
1471b624ba9
15418b37ed4
hex2732a2e81

10522078849 has 4 divisors (see below), whose sum is σ = 10522768900. Its totient is φ = 10521388800.

The previous prime is 10522078813. The next prime is 10522078859. The reversal of 10522078849 is 94887022501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94887022501 = 601157881901.

It can be written as a sum of positive squares in 2 ways, for example, as 8623908225 + 1898170624 = 92865^2 + 43568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10522078849 is a prime.

It is a super-2 number, since 2×105220788492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10522078799 and 10522078808.

It is not an unprimeable number, because it can be changed into a prime (10522078859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321624 + ... + 352825.

It is an arithmetic number, because the mean of its divisors is an integer number (2630692225).

Almost surely, 210522078849 is an apocalyptic number.

It is an amenable number.

10522078849 is a deficient number, since it is larger than the sum of its proper divisors (690051).

10522078849 is an equidigital number, since it uses as much as digits as its factorization.

10522078849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690050.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 10522078849 in words is "ten billion, five hundred twenty-two million, seventy-eight thousand, eight hundred forty-nine".

Divisors: 1 15601 674449 10522078849