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10531312325 = 52478962819
BaseRepresentation
bin10011100111011011…
…10001001011000101
31000011221112002121122
421303231301023011
5133032003443300
64501002323325
7521655451322
oct116355611305
930157462548
1010531312325
114514718906
12205aab9545
13cbaab6971
1471c949b49
1541985dc85
hex273b712c5

10531312325 has 12 divisors (see below), whose sum is σ = 13336676160. Its totient is φ = 8245792560.

The previous prime is 10531312291. The next prime is 10531312327. The reversal of 10531312325 is 52321313501.

It is not a de Polignac number, because 10531312325 - 26 = 10531312261 is a prime.

It is a super-2 number, since 2×105313123252 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10531312294 and 10531312303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10531312327) 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, 4480235 + ... + 4482584.

It is an arithmetic number, because the mean of its divisors is an integer number (1111389680).

Almost surely, 210531312325 is an apocalyptic number.

It is an amenable number.

10531312325 is a deficient number, since it is larger than the sum of its proper divisors (2805363835).

10531312325 is an equidigital number, since it uses as much as digits as its factorization.

10531312325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8962876 (or 8962871 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 10531312325 its reverse (52321313501), we get a palindrome (62852625826).

The spelling of 10531312325 in words is "ten billion, five hundred thirty-one million, three hundred twelve thousand, three hundred twenty-five".

Divisors: 1 5 25 47 235 1175 8962819 44814095 224070475 421252493 2106262465 10531312325