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13240042201 = 53915727281
BaseRepresentation
bin11000101010010101…
…10000001011011001
31021011201110211110101
430111022300023121
5204103422322301
610025444015401
7646046334061
oct142512601331
937151424411
1013240042201
115684727741
122696091561
131330038ac9
148d85b23a1
1552756a701
hex3152b02d9

13240042201 has 8 divisors (see below), whose sum is σ = 13491822024. Its totient is φ = 12988335360.

The previous prime is 13240042199. The next prime is 13240042217. The reversal of 13240042201 is 10224004231.

It can be written as a sum of positive squares in 4 ways, for example, as 2423002176 + 10817040025 = 49224^2 + 104005^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13240042201 - 21 = 13240042199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13240042241) 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, 471681 + ... + 498961.

It is an arithmetic number, because the mean of its divisors is an integer number (1686477753).

Almost surely, 213240042201 is an apocalyptic number.

It is an amenable number.

13240042201 is a deficient number, since it is larger than the sum of its proper divisors (251779823).

13240042201 is an equidigital number, since it uses as much as digits as its factorization.

13240042201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36491.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 13240042201 its reverse (10224004231), we get a palindrome (23464046432).

The spelling of 13240042201 in words is "thirteen billion, two hundred forty million, forty-two thousand, two hundred one".

Divisors: 1 53 9157 27281 485321 1445893 249812117 13240042201