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5287210318 = 213203354243
BaseRepresentation
bin1001110110010010…
…00110110101001110
3111122110211010001101
410323021012311032
541312011212233
62232351133314
7245010355225
oct47311066516
914573733041
105287210318
112273546405
12103681423a
136634cc120
143822a5cbc
1520e28ac7d
hex13b246d4e

5287210318 has 8 divisors (see below), whose sum is σ = 8540878248. Its totient is φ = 2440250904.

The previous prime is 5287210303. The next prime is 5287210337. The reversal of 5287210318 is 8130127825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×52872103182 = 55909185893531322248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 101677096 + ... + 101677147.

It is an arithmetic number, because the mean of its divisors is an integer number (1067609781).

Almost surely, 25287210318 is an apocalyptic number.

5287210318 is a deficient number, since it is larger than the sum of its proper divisors (3253667930).

5287210318 is a wasteful number, since it uses less digits than its factorization.

5287210318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203354258.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 5287210318 is about 72713.2059394991. The cubic root of 5287210318 is about 1742.1098199468.

It can be divided in two parts, 52872 and 10318, that added together give a triangular number (63190 = T355).

The spelling of 5287210318 in words is "five billion, two hundred eighty-seven million, two hundred ten thousand, three hundred eighteen".

Divisors: 1 2 13 26 203354243 406708486 2643605159 5287210318