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51323100354241 = 104513491069057
BaseRepresentation
bin10111010101101100101110…
…01010100101011011000001
320201201102220002220022002121
423222312113022211123001
523211334202142313431
6301053301245444241
713544654162031202
oct1352662712453301
9221642802808077
1051323100354241
1115398006183331
12590a916570681
132283994615381
14c960a0b255a9
155e0071ab9611
hex2ead972a56c1

51323100354241 has 4 divisors (see below), whose sum is σ = 51323591527812. Its totient is φ = 51322609180672.

The previous prime is 51323100354203. The next prime is 51323100354263. The reversal of 51323100354241 is 14245300132315.

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 28968927233841 + 22354173120400 = 5382279^2 + 4728020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51323100354241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51323100354197 and 51323100354206.

It is not an unprimeable number, because it can be changed into a prime (51323100054241) 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, 245430016 + ... + 245639041.

It is an arithmetic number, because the mean of its divisors is an integer number (12830897881953).

Almost surely, 251323100354241 is an apocalyptic number.

It is an amenable number.

51323100354241 is a deficient number, since it is larger than the sum of its proper divisors (491173571).

51323100354241 is a wasteful number, since it uses less digits than its factorization.

51323100354241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491173570.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 51323100354241 its reverse (14245300132315), we get a palindrome (65568400486556).

The spelling of 51323100354241 in words is "fifty-one trillion, three hundred twenty-three billion, one hundred million, three hundred fifty-four thousand, two hundred forty-one".

Divisors: 1 104513 491069057 51323100354241