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13245230522 = 27390720757
BaseRepresentation
bin11000101010111101…
…00010110110111010
31021012002020102111102
430111132202312322
5204111234334042
610030151131402
7646141413266
oct142536426672
937162212442
1013245230522
115687650807
122697973b62
131331134514
148d91630a6
15527c42b32
hex3157a2dba

13245230522 has 8 divisors (see below), whose sum is σ = 20140008276. Its totient is φ = 6531894432.

The previous prime is 13245230521. The next prime is 13245230533. The reversal of 13245230522 is 22503254231.

It can be written as a sum of positive squares in 2 ways, for example, as 12703318681 + 541911841 = 112709^2 + 23279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×132452305222 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13245230521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45360233 + ... + 45360524.

Almost surely, 213245230522 is an apocalyptic number.

13245230522 is a deficient number, since it is larger than the sum of its proper divisors (6894777754).

13245230522 is an equidigital number, since it uses as much as digits as its factorization.

13245230522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90720832.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 13245230522 its reverse (22503254231), we get a palindrome (35748484753).

The spelling of 13245230522 in words is "thirteen billion, two hundred forty-five million, two hundred thirty thousand, five hundred twenty-two".

Divisors: 1 2 73 146 90720757 181441514 6622615261 13245230522