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13531154342 = 219225772923
BaseRepresentation
bin11001001101000010…
…10000011110100110
31021221000020212020112
430212201100132212
5210202433414332
610114403333022
7656212625366
oct144641203646
937830225215
1013531154342
115813a90592
122757681172
131378444304
149251109a6
15542dc0db2
hex3268507a6

13531154342 has 24 divisors (see below), whose sum is σ = 21504850056. Its totient is φ = 6384466944.

The previous prime is 13531154321. The next prime is 13531154359. The reversal of 13531154342 is 24345113531.

It is a junction number, because it is equal to n+sod(n) for n = 13531154299 and 13531154308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149093 + ... + 222015.

It is an arithmetic number, because the mean of its divisors is an integer number (896035419).

Almost surely, 213531154342 is an apocalyptic number.

13531154342 is a deficient number, since it is larger than the sum of its proper divisors (7973695714).

13531154342 is a wasteful number, since it uses less digits than its factorization.

13531154342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73220 (or 73201 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

Adding to 13531154342 its reverse (24345113531), we get a palindrome (37876267873).

The spelling of 13531154342 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-four thousand, three hundred forty-two".

Divisors: 1 2 19 38 257 361 514 722 4883 9766 72923 92777 145846 185554 1385537 2771074 18741211 26325203 37482422 52650406 356083009 712166018 6765577171 13531154342