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55232501305013 = 197280368026929
BaseRepresentation
bin11001000111011110100011…
…00111101100111010110101
321020120011201222111102211222
430203233101213230322311
524214412130313230023
6313245243311440125
714430262604601464
oct1443572147547265
9236504658442758
1055232501305013
1116664a770952aa
126240518b26045
1324a8530466926
14d8d3a578a9db
1565bacdd16cc8
hex323bd19eceb5

55232501305013 has 4 divisors (see below), whose sum is σ = 55512869332140. Its totient is φ = 54952133277888.

The previous prime is 55232501305001. The next prime is 55232501305019. The reversal of 55232501305013 is 31050310523255.

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 54001304679364 + 1231196625649 = 7348558^2 + 1109593^2 .

It is a cyclic number.

It is not a de Polignac number, because 55232501305013 - 228 = 55232232869557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55232501305019) 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, 140184013268 + ... + 140184013661.

It is an arithmetic number, because the mean of its divisors is an integer number (13878217333035).

Almost surely, 255232501305013 is an apocalyptic number.

It is an amenable number.

55232501305013 is a deficient number, since it is larger than the sum of its proper divisors (280368027127).

55232501305013 is a wasteful number, since it uses less digits than its factorization.

55232501305013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280368027126.

The product of its (nonzero) digits is 67500, while the sum is 35.

Adding to 55232501305013 its reverse (31050310523255), we get a palindrome (86282811828268).

The spelling of 55232501305013 in words is "fifty-five trillion, two hundred thirty-two billion, five hundred one million, three hundred five thousand, thirteen".

Divisors: 1 197 280368026929 55232501305013