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10525140289 = 24169435481
BaseRepresentation
bin10011100110101100…
…01110010101000001
31000011111220112011201
421303112032111001
5133023413442124
64500222141201
7521552134126
oct116326162501
930144815151
1010525140289
114511192754
122058a21801
13cb9735581
1471bbc074d
15419040144
hex27358e541

10525140289 has 4 divisors (see below), whose sum is σ = 10525599940. Its totient is φ = 10524680640.

The previous prime is 10525140257. The next prime is 10525140293. The reversal of 10525140289 is 98204152501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5454561025 + 5070579264 = 73855^2 + 71208^2 .

It is a cyclic number.

It is not a de Polignac number, because 10525140289 - 25 = 10525140257 is a prime.

It is a super-2 number, since 2×105251402892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10525120289) 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, 193572 + ... + 241909.

It is an arithmetic number, because the mean of its divisors is an integer number (2631399985).

Almost surely, 210525140289 is an apocalyptic number.

It is an amenable number.

10525140289 is a deficient number, since it is larger than the sum of its proper divisors (459651).

10525140289 is an equidigital number, since it uses as much as digits as its factorization.

10525140289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459650.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 10525140289 in words is "ten billion, five hundred twenty-five million, one hundred forty thousand, two hundred eighty-nine".

Divisors: 1 24169 435481 10525140289