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13242433240 = 235331060831
BaseRepresentation
bin11000101010100111…
…10111111011011000
31021011212222022100101
430111103313323120
5204110030330430
610030011145144
7646105553041
oct142523677330
937155868311
1013242433240
115686010103
122696a451b4
13133069521a
148d8a358c8
1552788ddca
hex3154f7ed8

13242433240 has 16 divisors (see below), whose sum is σ = 29795474880. Its totient is φ = 5296973280.

The previous prime is 13242433229. The next prime is 13242433273. The reversal of 13242433240 is 4233424231.

It is a junction number, because it is equal to n+sod(n) for n = 13242433199 and 13242433208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165530376 + ... + 165530455.

It is an arithmetic number, because the mean of its divisors is an integer number (1862217180).

Almost surely, 213242433240 is an apocalyptic number.

13242433240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13242433240 is an abundant number, since it is smaller than the sum of its proper divisors (16553041640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13242433240 is a wasteful number, since it uses less digits than its factorization.

13242433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331060842 (or 331060838 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 13242433240 its reverse (4233424231), we get a palindrome (17475857471).

Subtracting from 13242433240 its reverse (4233424231), we obtain a palindrome (9009009009).

The spelling of 13242433240 in words is "thirteen billion, two hundred forty-two million, four hundred thirty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 331060831 662121662 1324243324 1655304155 2648486648 3310608310 6621216620 13242433240