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13031135432 = 237232698847
BaseRepresentation
bin11000010001011011…
…10101100011001000
31020122011101021020122
430020231311203020
5203141432313212
65553022242412
7640631552330
oct141055654310
936564337218
1013031135432
115587810a17
122638126408
1312c8983733
148b89520c0
15514052272
hex308b758c8

13031135432 has 16 divisors (see below), whose sum is σ = 27923861760. Its totient is φ = 5584772304.

The previous prime is 13031135407. The next prime is 13031135459. The reversal of 13031135432 is 23453113031.

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, 116349368 + ... + 116349479.

It is an arithmetic number, because the mean of its divisors is an integer number (1745241360).

Almost surely, 213031135432 is an apocalyptic number.

It is an amenable number.

13031135432 is an abundant number, since it is smaller than the sum of its proper divisors (14892726328).

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

13031135432 is a wasteful number, since it uses less digits than its factorization.

13031135432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232698860 (or 232698856 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13031135432 its reverse (23453113031), we get a palindrome (36484248463).

The spelling of 13031135432 in words is "thirteen billion, thirty-one million, one hundred thirty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 232698847 465397694 930795388 1628891929 1861590776 3257783858 6515567716 13031135432