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5625218287 = 13432709099
BaseRepresentation
bin1010011110100101…
…00000010011101111
3112112000211200211001
411033102200103233
543010023441122
62330103541131
7256253365213
oct51722402357
915460750731
105625218287
11242731a837
12110ba5a7a7
136b8546b40
143b5130943
1522dca6527
hex14f4a04ef

5625218287 has 4 divisors (see below), whose sum is σ = 6057927400. Its totient is φ = 5192509176.

The previous prime is 5625218279. The next prime is 5625218293. The reversal of 5625218287 is 7828125265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7828125265 = 51565625053.

It is a cyclic number.

It is not a de Polignac number, because 5625218287 - 23 = 5625218279 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 (5625218257) 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, 216354537 + ... + 216354562.

It is an arithmetic number, because the mean of its divisors is an integer number (1514481850).

Almost surely, 25625218287 is an apocalyptic number.

5625218287 is a deficient number, since it is larger than the sum of its proper divisors (432709113).

5625218287 is a wasteful number, since it uses less digits than its factorization.

5625218287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432709112.

The product of its digits is 537600, while the sum is 46.

The square root of 5625218287 is about 75001.4552325487. The cubic root of 5625218287 is about 1778.4696570902.

The spelling of 5625218287 in words is "five billion, six hundred twenty-five million, two hundred eighteen thousand, two hundred eighty-seven".

Divisors: 1 13 432709099 5625218287