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84219336290 = 258421933629
BaseRepresentation
bin100111001101111011…
…1010001011001100010
322001101101112120021102
41032123313101121202
52334440122230130
6102405000354402
76041014355405
oct1163367213142
9261341476242
1084219336290
113279868a971
12143a4a75a02
137c32320acb
14410d2a5d3c
1522cdb1c645
hex139bdd1662

84219336290 has 8 divisors (see below), whose sum is σ = 151594805340. Its totient is φ = 33687734512.

The previous prime is 84219336281. The next prime is 84219336337. The reversal of 84219336290 is 9263391248.

It can be written as a sum of positive squares in 2 ways, for example, as 83247829729 + 971506561 = 288527^2 + 31169^2 .

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

It is a super-3 number, since 3×842193362903 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4210966805 + ... + 4210966824.

Almost surely, 284219336290 is an apocalyptic number.

84219336290 is a deficient number, since it is larger than the sum of its proper divisors (67375469050).

84219336290 is a wasteful number, since it uses less digits than its factorization.

84219336290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8421933636.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 84219336290 in words is "eighty-four billion, two hundred nineteen million, three hundred thirty-six thousand, two hundred ninety".

Divisors: 1 2 5 10 8421933629 16843867258 42109668145 84219336290