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84210211479 = 3148671888079
BaseRepresentation
bin100111001101101010…
…0011101101010010111
322001100202100222101110
41032123110131222113
52334430303231404
6102404033030103
76040543662432
oct1163324355227
9261322328343
1084210211479
11327935182a9
12143a19b5333
137c30477704
14410bdac819
1522cce18b89
hex139b51da97

84210211479 has 8 divisors (see below), whose sum is σ = 112287893760. Its totient is φ = 56136335096.

The previous prime is 84210211471. The next prime is 84210211483. The reversal of 84210211479 is 97411201248.

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

It is a cyclic number.

It is not a de Polignac number, because 84210211479 - 23 = 84210211471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84210211471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899439 + ... + 988640.

It is an arithmetic number, because the mean of its divisors is an integer number (14035986720).

Almost surely, 284210211479 is an apocalyptic number.

84210211479 is a deficient number, since it is larger than the sum of its proper divisors (28077682281).

84210211479 is a wasteful number, since it uses less digits than its factorization.

84210211479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902949.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 84210211479 in words is "eighty-four billion, two hundred ten million, two hundred eleven thousand, four hundred seventy-nine".

Divisors: 1 3 14867 44601 1888079 5664237 28070070493 84210211479