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13724675905529 = 28148842263009
BaseRepresentation
bin1100011110111000011001…
…1011101001011111111001
31210121001210021001210210102
43013232012123221133321
53244331114012434104
645105010140125145
72614401156225431
oct307560633513771
953531707053712
1013724675905529
114411669824446
121657b262367b5
13787301475a94
143563c662b2c1
1518c024c43a1e
hexc7b866e97f9

13724675905529 has 4 divisors (see below), whose sum is σ = 13773518168820. Its totient is φ = 13675833642240.

The previous prime is 13724675905489. The next prime is 13724675905537. The reversal of 13724675905529 is 92550957642731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5285929783225 + 8438746122304 = 2299115^2 + 2904952^2 .

It is a cyclic number.

It is not a de Polignac number, because 13724675905529 - 220 = 13724674856953 is a prime.

It is a super-2 number, since 2×137246759055292 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13724675905429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24421131224 + ... + 24421131785.

It is an arithmetic number, because the mean of its divisors is an integer number (3443379542205).

Almost surely, 213724675905529 is an apocalyptic number.

It is an amenable number.

13724675905529 is a deficient number, since it is larger than the sum of its proper divisors (48842263291).

13724675905529 is an equidigital number, since it uses as much as digits as its factorization.

13724675905529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48842263290.

The product of its (nonzero) digits is 142884000, while the sum is 65.

The spelling of 13724675905529 in words is "thirteen trillion, seven hundred twenty-four billion, six hundred seventy-five million, nine hundred five thousand, five hundred twenty-nine".

Divisors: 1 281 48842263009 13724675905529