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53343487191 = 371290386269
BaseRepresentation
bin110001101011100001…
…010000010011010111
312002200121011220210210
4301223201100103113
51333221413042231
640301120020503
73565621105551
oct615341202327
9162617156723
1053343487191
112069400a505
12a408761733
135051669c07
1428207ca4d1
1515c3187a46
hexc6b8504d7

53343487191 has 16 divisors (see below), whose sum is σ = 72152087040. Its totient is φ = 35048963040.

The previous prime is 53343487189. The next prime is 53343487201. The reversal of 53343487191 is 19178434335.

It is a happy number.

It is not a de Polignac number, because 53343487191 - 21 = 53343487189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53343487191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53343487151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575205 + ... + 661473.

It is an arithmetic number, because the mean of its divisors is an integer number (4509505440).

Almost surely, 253343487191 is an apocalyptic number.

53343487191 is a deficient number, since it is larger than the sum of its proper divisors (18808599849).

53343487191 is a wasteful number, since it uses less digits than its factorization.

53343487191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89246.

The product of its digits is 1088640, while the sum is 48.

The spelling of 53343487191 in words is "fifty-three billion, three hundred forty-three million, four hundred eighty-seven thousand, one hundred ninety-one".

Divisors: 1 3 71 213 2903 8709 86269 206113 258807 618339 6125099 18375297 250438907 751316721 17781162397 53343487191