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13235203038 = 233623608851
BaseRepresentation
bin11000101001110000…
…10010101111011110
31021011101100222101010
430110320102233132
5204101202444123
610025152200050
7645660240531
oct142470225736
937141328333
1013235203038
115681a21a32
122694539026
13132c0332b5
148d7ab2a18
15526e11993
hex314e12bde

13235203038 has 16 divisors (see below), whose sum is σ = 26477755776. Its totient is φ = 4410509400.

The previous prime is 13235203031. The next prime is 13235203039. The reversal of 13235203038 is 83030253231.

It is a junction number, because it is equal to n+sod(n) for n = 13235202996 and 13235203014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235203031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282688 + ... + 326163.

It is an arithmetic number, because the mean of its divisors is an integer number (1654859736).

Almost surely, 213235203038 is an apocalyptic number.

13235203038 is an abundant number, since it is smaller than the sum of its proper divisors (13242552738).

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

13235203038 is a wasteful number, since it uses less digits than its factorization.

13235203038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612479.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 13235203038 its reverse (83030253231), we get a palindrome (96265456269).

The spelling of 13235203038 in words is "thirteen billion, two hundred thirty-five million, two hundred three thousand, thirty-eight".

Divisors: 1 2 3 6 3623 7246 10869 21738 608851 1217702 1826553 3653106 2205867173 4411734346 6617601519 13235203038