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13212082538 = 210364136323
BaseRepresentation
bin11000100111000000…
…00110000101101010
31021002202212100000022
430103200012011222
5204024243120123
610023004440442
7645256564034
oct142340060552
937082770008
1013212082538
11566a970186
122688849122
1313272c9725
148d49b4c54
15524d961c8
hex31380616a

13212082538 has 8 divisors (see below), whose sum is σ = 20010533088. Its totient is φ = 6541904844.

The previous prime is 13212082531. The next prime is 13212082553. The reversal of 13212082538 is 83528021231.

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

It is a junction number, because it is equal to n+sod(n) for n = 13212082498 and 13212082507.

It is not an unprimeable number, because it can be changed into a prime (13212082531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32067956 + ... + 32068367.

It is an arithmetic number, because the mean of its divisors is an integer number (2501316636).

Almost surely, 213212082538 is an apocalyptic number.

13212082538 is a deficient number, since it is larger than the sum of its proper divisors (6798450550).

13212082538 is a wasteful number, since it uses less digits than its factorization.

13212082538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64136428.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 13212082538 in words is "thirteen billion, two hundred twelve million, eighty-two thousand, five hundred thirty-eight".

Divisors: 1 2 103 206 64136323 128272646 6606041269 13212082538