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218980380383 = 3726092268451
BaseRepresentation
bin1100101111110000111…
…1110110111011011111
3202221020010012220120122
43023330033312323133
512041432434133013
6244333113305155
721551352343652
oct3137417667337
9687203186518
10218980380383
1184961796986
12365341051bb
131785a6aa69b
14a854bcd899
155a69935a08
hex32fc3f6edf

218980380383 has 8 divisors (see below), whose sum is σ = 224985069360. Its totient is φ = 212980233600.

The previous prime is 218980380379. The next prime is 218980380391. The reversal of 218980380383 is 383083089812.

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 218980380383 - 22 = 218980380379 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 (218980380373) 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, 1037693 + ... + 1230758.

It is an arithmetic number, because the mean of its divisors is an integer number (28123133670).

Almost surely, 2218980380383 is an apocalyptic number.

218980380383 is a deficient number, since it is larger than the sum of its proper divisors (6004688977).

218980380383 is a wasteful number, since it uses less digits than its factorization.

218980380383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271097.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 218980380383 in words is "two hundred eighteen billion, nine hundred eighty million, three hundred eighty thousand, three hundred eighty-three".

Divisors: 1 37 2609 96533 2268451 83932687 5918388659 218980380383