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13531245422 = 218164757773
BaseRepresentation
bin11001001101000011…
…00110101101101110
31021221000102111011212
430212201212231232
5210202444323142
610114405314422
7656213455052
oct144641465556
937830374155
1013531245422
115814042a62
122757705a12
1313784768c6
14925135c62
15542ddcd82
hex326866b6e

13531245422 has 16 divisors (see below), whose sum is σ = 20440903392. Its totient is φ = 6717728160.

The previous prime is 13531245419. The next prime is 13531245493. The reversal of 13531245422 is 22454213531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205328 + ... + 263100.

It is an arithmetic number, because the mean of its divisors is an integer number (1277556462).

Almost surely, 213531245422 is an apocalyptic number.

13531245422 is a deficient number, since it is larger than the sum of its proper divisors (6909657970).

13531245422 is a wasteful number, since it uses less digits than its factorization.

13531245422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58603.

The product of its digits is 28800, while the sum is 32.

Adding to 13531245422 its reverse (22454213531), we get a palindrome (35985458953).

The spelling of 13531245422 in words is "thirteen billion, five hundred thirty-one million, two hundred forty-five thousand, four hundred twenty-two".

Divisors: 1 2 181 362 647 1294 57773 115546 117107 234214 10456913 20913826 37379131 74758262 6765622711 13531245422