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5255911471 = 17309171263
BaseRepresentation
bin1001110010100011…
…01101100000101111
3111120021220222002211
410321101231200233
541231003131341
62225312231251
7244150340026
oct47121554057
914507828084
105255911471
112257909098
12102823b527
13659b90bb5
1437c0798bd
1520b657181
hex13946d82f

5255911471 has 4 divisors (see below), whose sum is σ = 5565082752. Its totient is φ = 4946740192.

The previous prime is 5255911469. The next prime is 5255911481. The reversal of 5255911471 is 1741195525.

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

It is a cyclic number.

It is not a de Polignac number, because 5255911471 - 21 = 5255911469 is a prime.

It is a super-3 number, since 3×52559114713 (a number of 30 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255911481) 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 3 ways as a sum of consecutive naturals, for example, 154585615 + ... + 154585648.

It is an arithmetic number, because the mean of its divisors is an integer number (1391270688).

Almost surely, 25255911471 is an apocalyptic number.

5255911471 is a deficient number, since it is larger than the sum of its proper divisors (309171281).

5255911471 is a wasteful number, since it uses less digits than its factorization.

5255911471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309171280.

The product of its digits is 63000, while the sum is 40.

The square root of 5255911471 is about 72497.6652796488. The cubic root of 5255911471 is about 1738.6654088894.

The spelling of 5255911471 in words is "five billion, two hundred fifty-five million, nine hundred eleven thousand, four hundred seventy-one".

Divisors: 1 17 309171263 5255911471