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4518782084231 = 197141431621861
BaseRepresentation
bin100000111000001110001…
…1001101010010010000111
3120222222202200201011001222
41001300130121222102013
51043013431203143411
613335522210310555
7644320426652522
oct101603431522207
916888680634058
104518782084231
11149244a755a28
1260b92ab8845b
1326a1721c60cc
141189d2bb3bb9
157c8259804db
hex41c1c66a487

4518782084231 has 8 divisors (see below), whose sum is σ = 4542043993344. Its totient is φ = 4495523447520.

The previous prime is 4518782084197. The next prime is 4518782084239. The reversal of 4518782084231 is 1324802878154.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4518782084231 is a prime.

It is a super-2 number, since 2×45187820842312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4518782084239) 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, 1975241 + ... + 3597101.

It is an arithmetic number, because the mean of its divisors is an integer number (567755499168).

Almost surely, 24518782084231 is an apocalyptic number.

4518782084231 is a deficient number, since it is larger than the sum of its proper divisors (23261909113).

4518782084231 is a wasteful number, since it uses less digits than its factorization.

4518782084231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636201.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 4518782084231 in words is "four trillion, five hundred eighteen billion, seven hundred eighty-two million, eighty-four thousand, two hundred thirty-one".

Divisors: 1 197 14143 1621861 2786171 319506617 22937980123 4518782084231